Fatto generale: 392 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 392 is a Kaprekar constant in base 5.
Trivia: 392 is an uninteresting number.
Data storica: January 26th is the day in 1700 that the magnitude 9 Cascadia Earthquake takes place off the west coast of the North America, as evidenced by Japanese records.