392949674 has 12 divisors (see below), whose sum is σ = 638253126. Its totient is φ = 181361232.

The previous prime is 392949653. The next prime is 392949709. The reversal of 392949674 is 476949293.

It can be written as a sum of positive squares in 3 ways, for example, as 100300225 + 292649449 = 10015^2 + 17107^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 580949 + ... + 581624.

Almost surely, 2^392949674 is an apocalyptic number.

392949674 is a deficient number, since it is larger than the sum of its proper divisors (245303452).

392949674 is a wasteful number, since it uses less digits than its factorization.

392949674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162601 (or 1162588 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 53.

The square root of 392949674 is about 19822.9582555178. The cubic root of 392949674 is about 732.4516768551.

The spelling of 392949674 in words is "three hundred ninety-two million, nine hundred forty-nine thousand, six hundred seventy-four".