ministry of defence
Nearly 200,000 of those have been either killed or permanently wounded.
There are reports of "ill-conceived advances" and heavy casualties among Russian ranks when on the offensive.
It comes after four days of "unusually intense attacks" in both Ukraine and Russia.
The Russian president even personally held an open lesson with 30 pupils.
The new defence secretary has come under fire for lacking military experience.
It comes a year after Moscow broke international law by declaring parts of Ukraine as Russian land.
Convictions for refusing to obey orders are reportedly running at 100 soldiers a week.
Even those in the junior ranks are now earning more than twice the average workers' salary.
It includes handing out a textbook with Putin's version of events around the war.
The beleaguered country suffered blackouts and water outages last year.