398159404 has 12 divisors (see below), whose sum is σ = 697427584. Its totient is φ = 198894384.

The previous prime is 398159393. The next prime is 398159407. The reversal of 398159404 is 404951893.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (398159407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41439 + ... + 50134.

Almost surely, 2^398159404 is an apocalyptic number.

It is an amenable number.

398159404 is a deficient number, since it is larger than the sum of its proper divisors (299268180).

398159404 is a wasteful number, since it uses less digits than its factorization.

398159404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92664 (or 92662 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 398159404 is about 19953.9320435848. The cubic root of 398159404 is about 735.6744262405.

The spelling of 398159404 in words is "three hundred ninety-eight million, one hundred fifty-nine thousand, four hundred four".