Fait général: 8379 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 8379 is a value of n for which 5n and 8n together use each digit exactly once.
Culture générale: 8379 is an unremarkable number.
Date historique: December 9th is the day in 1946 that the "Subsequent Nuremberg Trials" begin with the "Doctors' Trial", prosecuting doctors alleged to be involved in human experimentation.