398124630 has 48 divisors (see below), whose sum is σ = 1068522624. Its totient is φ = 102741120.

The previous prime is 398124593. The next prime is 398124703. The reversal of 398124630 is 36421893.

398124630 is a `hidden beast` number, since 3 + 9 + 8 + 12 + 4 + 630 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68559 + ... + 74138.

It is an arithmetic number, because the mean of its divisors is an integer number (22260888).

Almost surely, 2^398124630 is an apocalyptic number.

398124630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

398124630 is an abundant number, since it is smaller than the sum of its proper divisors (670397994).

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

398124630 is a wasteful number, since it uses less digits than its factorization.

398124630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142741 (or 142738 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 398124630 is about 19953.0606674766. The cubic root of 398124630 is about 735.6530084473.

The spelling of 398124630 in words is "three hundred ninety-eight million, one hundred twenty-four thousand, six hundred thirty".