Fatto generale: 5384 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 5384 is an unremarkable number.
Trivia: 5384 is an uninteresting number.
Data storica: September 27th is the day in 1669 that the Venetians surrender the fortress of Candia to the Ottomans, thus ending the 21-year long Siege of Candia.