39490928 has 10 divisors (see below), whose sum is σ = 76513704. Its totient is φ = 19745456.

The previous prime is 39490907. The next prime is 39490961. The reversal of 39490928 is 82909493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234076 + ... + 1234107.

Almost surely, 2^39490928 is an apocalyptic number.

It is an amenable number.

39490928 is a deficient number, since it is larger than the sum of its proper divisors (37022776).

39490928 is a wasteful number, since it uses less digits than its factorization.

39490928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468191 (or 2468185 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 39490928 is about 6284.1807739752. The cubic root of 39490928 is about 340.5381558253.

The spelling of 39490928 in words is "thirty-nine million, four hundred ninety thousand, nine hundred twenty-eight".