398099120 has 40 divisors (see below), whose sum is σ = 934586016. Its totient is φ = 157690368.

The previous prime is 398099089. The next prime is 398099147. The reversal of 398099120 is 21990893.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15917 + ... + 32396.

Almost surely, 2^398099120 is an apocalyptic number.

It is an amenable number.

398099120 is an abundant number, since it is smaller than the sum of its proper divisors (536486896).

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

398099120 is a wasteful number, since it uses less digits than its factorization.

398099120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48429 (or 48423 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 398099120 is about 19952.4214069371. The cubic root of 398099120 is about 735.6372956883.

The spelling of 398099120 in words is "three hundred ninety-eight million, ninety-nine thousand, one hundred twenty".