Fait général: 8648 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 8648 is an uninteresting number.
Culture générale: 8648 is a boring number.
Date historique: September 4th is the day in 1888 that George Eastman registers the trademark Kodak and receives a patent for his camera that uses roll film.