Fatto matematico: 83926 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 83926 is an uninteresting number.
Data storica: October 12th is the day in 2005 that the second Chinese human spaceflight Shenzhou 6 launched carrying Fèi Jùnlóng and Niè Hǎishèng for five days in orbit.