Fatto generale: 90429 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 90429 is an unremarkable number.
Trivia: 90429 is an uninteresting number.
Data storica: August 2nd is the day in 1985 that Delta Air Lines Flight 191, a Lockheed L-1011 TriStar crashes at Dallas/Fort Worth International Airport killing 137.