General fact: 36684 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 36684 is an unremarkable number.
Trivia: 36684 is an unremarkable number.
Historical date: June 8th is the day in 1992 that the first World Ocean Day is celebrated, coinciding with the Earth Summit held in Rio de Janeiro, Brazil.