398910800916 has 48 divisors (see below), whose sum is σ = 1035139385280. Its totient is φ = 132851184480.

The previous prime is 398910800879. The next prime is 398910800933. The reversal of 398910800916 is 619008019893.

398910800916 is a `hidden beast` number, since 398 + 91 + 0 + 80 + 0 + 91 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 1532730 + ... + 1774001.

It is an arithmetic number, because the mean of its divisors is an integer number (21565403860).

Almost surely, 2^398910800916 is an apocalyptic number.

398910800916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

398910800916 is an abundant number, since it is smaller than the sum of its proper divisors (636228584364).

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

398910800916 is a wasteful number, since it uses less digits than its factorization.

398910800916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307861 (or 3307853 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 398910800916 in words is "three hundred ninety-eight billion, nine hundred ten million, eight hundred thousand, nine hundred sixteen".