Hecho general: 90917 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 90917 is an unremarkable number.
Trivia: 90917 is an unremarkable number.
Fecha histórica: December 2nd is the day in 1999 that the United Kingdom devolves political power in Northern Ireland to the Northern Ireland Executive.