398855232 has 56 divisors (see below), whose sum is σ = 1172565600. Its totient is φ = 132951168.

The previous prime is 398855189. The next prime is 398855251. The reversal of 398855232 is 232558893.

398855232 is a `hidden beast` number, since 3 + 98 + 8 + 552 + 3 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113682 + ... + 117137.

Almost surely, 2^398855232 is an apocalyptic number.

398855232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

398855232 is an abundant number, since it is smaller than the sum of its proper divisors (773710368).

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

398855232 is a wasteful number, since it uses less digits than its factorization.

398855232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230840 (or 230824 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 398855232 is about 19971.3602941813. The cubic root of 398855232 is about 736.1027345564.

The spelling of 398855232 in words is "three hundred ninety-eight million, eight hundred fifty-five thousand, two hundred thirty-two".