Fatto generale: 89910 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 89910 is an uninteresting number.
Trivia: 89910 is an unremarkable number.
Data storica: March 1st is the day in 1941 that W47NV (now known as WSM-FM) begins operations in Nashville, Tennessee becoming the first FM radio station in the U.S..