Fait général: 9584 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 9584 is an unremarkable number.
Culture générale: 9584 is an unremarkable number.
Date historique: March 28th is the day in 1979 that the British House of Commons passes a vote of no confidence against James Callaghan's government, precipitating a general election.