398538604 has 24 divisors (see below), whose sum is σ = 757836800. Its totient is φ = 182690640.

The previous prime is 398538593. The next prime is 398538607. The reversal of 398538604 is 406835893.

It is not an unprimeable number, because it can be changed into a prime (398538607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82224 + ... + 86935.

Almost surely, 2^398538604 is an apocalyptic number.

It is an amenable number.

398538604 is a deficient number, since it is larger than the sum of its proper divisors (359298196).

398538604 is a wasteful number, since it uses less digits than its factorization.

398538604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169213 (or 169211 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 398538604 is about 19963.4316689291. The cubic root of 398538604 is about 735.9078999239.

The spelling of 398538604 in words is "three hundred ninety-eight million, five hundred thirty-eight thousand, six hundred four".