Fait général: 2464 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2464 is the number of permutations of 8 items that fix 3 elements.
Culture générale: 2464 is a boring number.
Date historique: September 29th is the day in 522 BC that Darius I of Persia kills the Magian usurper Gaumâta, securing his hold as king of the Persian Empire.