General fact: 8489 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 8489 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 8489 is an unremarkable number.
Historical date: March 29th is the day in 2004 that the Republic of Ireland becomes the first country in the world to ban smoking in all work places, including bars and restaurants.