It's a false information.
At the end of june (end of week 26), the number of psp sold given by enterbrain is:
9,499,774
http://www.geocities.jp/v7160c_l5/main.html
or here:
http://vgchartz.com/forum/thread.php?id=33313
For media create at the end of the week 27, we have:
9.793.994
http://www.gamekult.com/articles/A0000067965/







