398736120 has 64 divisors (see below), whose sum is σ = 1198840320. Its totient is φ = 106095744.

The previous prime is 398736103. The next prime is 398736131. The reversal of 398736120 is 21637893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55029 + ... + 61851.

It is an arithmetic number, because the mean of its divisors is an integer number (18731880).

Almost surely, 2^398736120 is an apocalyptic number.

398736120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

398736120 is an abundant number, since it is smaller than the sum of its proper divisors (800104200).

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

398736120 is a wasteful number, since it uses less digits than its factorization.

398736120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7324 (or 7320 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 398736120 is about 19968.3780012298. The cubic root of 398736120 is about 736.0294519957.

The spelling of 398736120 in words is "three hundred ninety-eight million, seven hundred thirty-six thousand, one hundred twenty".