Fatto generale: 4396 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 4396 is 157 × 28 and each digit is contained in the equation exactly once.
Trivia: 4396 is an unremarkable number.
Data storica: January 13th is the day in 1972 that Prime Minister Kofi Abrefa Busia and President Edward Akufo-Addo of Ghana are ousted in a bloodless military coup by Colonel Ignatius Kutu Acheampong.