Fait général: 89731 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 89731 is a boring number.
Culture générale: 89731 is an uninteresting number.
Date historique: September 3rd is the day in 1954 that the People's Liberation Army begins shelling the Republic of China-controlled islands of Quemoy, starting the First Taiwan Strait Crisis.