398962934 has 16 divisors (see below), whose sum is σ = 615575376. Its totient is φ = 193788000.

The previous prime is 398962913. The next prime is 398962951. The reversal of 398962934 is 439269893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48029 + ... + 55719.

It is an arithmetic number, because the mean of its divisors is an integer number (38473461).

Almost surely, 2^398962934 is an apocalyptic number.

398962934 is a deficient number, since it is larger than the sum of its proper divisors (216612442).

398962934 is a wasteful number, since it uses less digits than its factorization.

398962934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431.

The product of its digits is 2519424, while the sum is 53.

The square root of 398962934 is about 19974.0565234005. The cubic root of 398962934 is about 736.1689846605.

The spelling of 398962934 in words is "three hundred ninety-eight million, nine hundred sixty-two thousand, nine hundred thirty-four".