398941163608 has 32 divisors (see below), whose sum is σ = 822693735360. Its totient is φ = 180209099520.

The previous prime is 398941163587. The next prime is 398941163617. The reversal of 398941163608 is 806361149893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40803333 + ... + 40813108.

It is an arithmetic number, because the mean of its divisors is an integer number (25709179230).

Almost surely, 2^398941163608 is an apocalyptic number.

It is an amenable number.

398941163608 is an abundant number, since it is smaller than the sum of its proper divisors (423752571752).

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

398941163608 is a wasteful number, since it uses less digits than its factorization.

398941163608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81616507 (or 81616503 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 398941163608 in words is "three hundred ninety-eight billion, nine hundred forty-one million, one hundred sixty-three thousand, six hundred eight".