39090474 has 24 divisors (see below), whose sum is σ = 84887712. Its totient is φ = 13000680.

The previous prime is 39090461. The next prime is 39090481. The reversal of 39090474 is 47409093.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6627 + ... + 11049.

It is an arithmetic number, because the mean of its divisors is an integer number (3536988).

Almost surely, 2^39090474 is an apocalyptic number.

39090474 is an abundant number, since it is smaller than the sum of its proper divisors (45797238).

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

39090474 is a wasteful number, since it uses less digits than its factorization.

39090474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 39090474 is about 6252.2375194805. The cubic root of 39090474 is about 339.3831780738.

The spelling of 39090474 in words is "thirty-nine million, ninety thousand, four hundred seventy-four".