398419464 has 16 divisors (see below), whose sum is σ = 996048720. Its totient is φ = 132806480.

The previous prime is 398419457. The next prime is 398419477. The reversal of 398419464 is 464914893.

It is a happy number.

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, 8300382 + ... + 8300429.

It is an arithmetic number, because the mean of its divisors is an integer number (62253045).

Almost surely, 2^398419464 is an apocalyptic number.

It is an amenable number.

398419464 is an abundant number, since it is smaller than the sum of its proper divisors (597629256).

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

398419464 is a wasteful number, since it uses less digits than its factorization.

398419464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16600820 (or 16600816 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 398419464 is about 19960.4474899738. The cubic root of 398419464 is about 735.8345613109.

The spelling of 398419464 in words is "three hundred ninety-eight million, four hundred nineteen thousand, four hundred sixty-four".