39391496 has 8 divisors (see below), whose sum is σ = 73859070. Its totient is φ = 19695744.

The previous prime is 39391487. The next prime is 39391501. The reversal of 39391496 is 69419393.

It can be written as a sum of positive squares in only one way, i.e., 28408900 + 10982596 = 5330^2 + 3314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2461961 + ... + 2461976.

Almost surely, 2^39391496 is an apocalyptic number.

It is an amenable number.

39391496 is a deficient number, since it is larger than the sum of its proper divisors (34467574).

39391496 is a wasteful number, since it uses less digits than its factorization.

39391496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923943 (or 4923939 counting only the distinct ones).

The product of its digits is 157464, while the sum is 44.

The square root of 39391496 is about 6276.2644941079. The cubic root of 39391496 is about 340.2521082878.

The spelling of 39391496 in words is "thirty-nine million, three hundred ninety-one thousand, four hundred ninety-six".