398153804 has 12 divisors (see below), whose sum is σ = 737755704. Its totient is φ = 187366464.

The previous prime is 398153803. The next prime is 398153807. The reversal of 398153804 is 408351893.

It is not an unprimeable number, because it can be changed into a prime (398153803) 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, 2927534 + ... + 2927669.

It is an arithmetic number, because the mean of its divisors is an integer number (61479642).

Almost surely, 2^398153804 is an apocalyptic number.

398153804 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

398153804 is a deficient number, since it is larger than the sum of its proper divisors (339601900).

398153804 is a wasteful number, since it uses less digits than its factorization.

398153804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855224 (or 5855222 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 398153804 is about 19953.7917198712. The cubic root of 398153804 is about 735.6709772064.

The spelling of 398153804 in words is "three hundred ninety-eight million, one hundred fifty-three thousand, eight hundred four".