Hecho general: 8498 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 8498 is an unremarkable number.
Trivia: 8498 is an uninteresting number.
Fecha histórica: April 7th is the day in 1971 that President Richard Nixon announces his decision to increase the rate of American troop withdrawals from Vietnam.