392972516 has 12 divisors (see below), whose sum is σ = 723896880. Its totient is φ = 186144840.

The previous prime is 392972507. The next prime is 392972521. The reversal of 392972516 is 615279293.

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, 2585270 + ... + 2585421.

It is an arithmetic number, because the mean of its divisors is an integer number (60324740).

Almost surely, 2^392972516 is an apocalyptic number.

It is an amenable number.

392972516 is a deficient number, since it is larger than the sum of its proper divisors (330924364).

392972516 is a wasteful number, since it uses less digits than its factorization.

392972516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5170714 (or 5170712 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 392972516 is about 19823.5343972764. The cubic root of 392972516 is about 732.4658689498.

The spelling of 392972516 in words is "three hundred ninety-two million, nine hundred seventy-two thousand, five hundred sixteen".