398675120 has 20 divisors (see below), whose sum is σ = 926919840. Its totient is φ = 159470016.

The previous prime is 398675113. The next prime is 398675131. The reversal of 398675120 is 21576893.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2491640 + ... + 2491799.

It is an arithmetic number, because the mean of its divisors is an integer number (46345992).

Almost surely, 2^398675120 is an apocalyptic number.

It is an amenable number.

398675120 is an abundant number, since it is smaller than the sum of its proper divisors (528244720).

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

398675120 is a wasteful number, since it uses less digits than its factorization.

398675120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983452 (or 4983446 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 398675120 is about 19966.8505278123. The cubic root of 398675120 is about 735.9919166567.

The spelling of 398675120 in words is "three hundred ninety-eight million, six hundred seventy-five thousand, one hundred twenty".