39219980 has 24 divisors (see below), whose sum is σ = 83493312. Its totient is φ = 15472512.

The previous prime is 39219979. The next prime is 39219997. The reversal of 39219980 is 8991293.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11972 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (3478888).

Almost surely, 2^39219980 is an apocalyptic number.

It is an amenable number.

39219980 is an abundant number, since it is smaller than the sum of its proper divisors (44273332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39219980 is a wasteful number, since it uses less digits than its factorization.

39219980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26945 (or 26943 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 39219980 is about 6262.5857279561. The cubic root of 39219980 is about 339.7575549569.

The spelling of 39219980 in words is "thirty-nine million, two hundred nineteen thousand, nine hundred eighty".