39113920 has 28 divisors (see below), whose sum is σ = 93140784. Its totient is φ = 15645440.

The previous prime is 39113903. The next prime is 39113981. The reversal of 39113920 is 2931193.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60796 + ... + 61435.

Almost surely, 2^39113920 is an apocalyptic number.

It is an amenable number.

39113920 is an abundant number, since it is smaller than the sum of its proper divisors (54026864).

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

39113920 is a wasteful number, since it uses less digits than its factorization.

39113920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122248 (or 122238 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 39113920 is about 6254.1122471539. The cubic root of 39113920 is about 339.4510171732.

The spelling of 39113920 in words is "thirty-nine million, one hundred thirteen thousand, nine hundred twenty".