398153802 has 32 divisors (see below), whose sum is σ = 804665664. Its totient is φ = 131331200.

The previous prime is 398153773. The next prime is 398153803. The reversal of 398153802 is 208351893.

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 15 ways as a sum of consecutive naturals, for example, 484552 + ... + 485372.

It is an arithmetic number, because the mean of its divisors is an integer number (25145802).

Almost surely, 2^398153802 is an apocalyptic number.

398153802 is an abundant number, since it is smaller than the sum of its proper divisors (406511862).

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

398153802 is a wasteful number, since it uses less digits than its factorization.

398153802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 398153802 is about 19953.7916697554. The cubic root of 398153802 is about 735.6709759746.

The spelling of 398153802 in words is "three hundred ninety-eight million, one hundred fifty-three thousand, eight hundred two".