398442204 has 36 divisors (see below), whose sum is σ = 1011630984. Its totient is φ = 132226272.

The previous prime is 398442199. The next prime is 398442211. The reversal of 398442204 is 402244893.

398442204 is a `hidden beast` number, since 3 + 9 + 8 + 442 + 204 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16207 + ... + 32550.

Almost surely, 2^398442204 is an apocalyptic number.

It is an amenable number.

398442204 is an abundant number, since it is smaller than the sum of its proper divisors (613188780).

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

398442204 is a wasteful number, since it uses less digits than its factorization.

398442204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48994 (or 48989 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 398442204 is about 19961.0171083540. The cubic root of 398442204 is about 735.8485604258.

The spelling of 398442204 in words is "three hundred ninety-eight million, four hundred forty-two thousand, two hundred four".