Hecho general: 98009 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 98009 is an unremarkable number.
Trivia: 98009 is a boring number.
Fecha histórica: May 3rd is the day in 1491 that Kongo monarch Nkuwu Nzinga is baptised by Portuguese missionaries, adopting the baptismal name of João I.