398612964 has 24 divisors (see below), whose sum is σ = 939688288. Its totient is φ = 131500800.

The previous prime is 398612953. The next prime is 398612983. The reversal of 398612964 is 469216893.

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, 170062 + ... + 172389.

Almost surely, 2^398612964 is an apocalyptic number.

It is an amenable number.

398612964 is an abundant number, since it is smaller than the sum of its proper divisors (541075324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398612964 is a wasteful number, since it uses less digits than its factorization.

398612964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342555 (or 342553 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 398612964 is about 19965.2939873171. The cubic root of 398612964 is about 735.9536660537.

The spelling of 398612964 in words is "three hundred ninety-eight million, six hundred twelve thousand, nine hundred sixty-four".