39090992 has 20 divisors (see below), whose sum is σ = 76137240. Its totient is φ = 19442688.

The previous prime is 39090983. The next prime is 39091001. The reversal of 39090992 is 29909093.

It is an interprime number because it is at equal distance from previous prime (39090983) and next prime (39091001).

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, 3242 + ... + 9417.

It is an arithmetic number, because the mean of its divisors is an integer number (3806862).

Almost surely, 2^39090992 is an apocalyptic number.

It is an amenable number.

39090992 is a deficient number, since it is larger than the sum of its proper divisors (37046248).

39090992 is a wasteful number, since it uses less digits than its factorization.

39090992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12860 (or 12854 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 39090992 is about 6252.2789445130. The cubic root of 39090992 is about 339.3846771578.

The spelling of 39090992 in words is "thirty-nine million, ninety thousand, nine hundred ninety-two".