398107108 has 24 divisors (see below), whose sum is σ = 813157632. Its totient is φ = 166986624.

The previous prime is 398107097. The next prime is 398107141. The reversal of 398107108 is 801701893.

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, 149941 + ... + 152572.

It is an arithmetic number, because the mean of its divisors is an integer number (33881568).

Almost surely, 2^398107108 is an apocalyptic number.

It is an amenable number.

398107108 is an abundant number, since it is smaller than the sum of its proper divisors (415050524).

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

398107108 is a wasteful number, since it uses less digits than its factorization.

398107108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302571 (or 302569 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 398107108 is about 19952.6215821380. The cubic root of 398107108 is about 735.6422159298.

The spelling of 398107108 in words is "three hundred ninety-eight million, one hundred seven thousand, one hundred eight".