398827213252 has 24 divisors (see below), whose sum is σ = 754947095616. Its totient is φ = 183263193888.

The previous prime is 398827213241. The next prime is 398827213261. The reversal of 398827213252 is 252312728893.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 398827213252.

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, 16881928 + ... + 16905535.

It is an arithmetic number, because the mean of its divisors is an integer number (31456128984).

Almost surely, 2^398827213252 is an apocalyptic number.

It is an amenable number.

398827213252 is a deficient number, since it is larger than the sum of its proper divisors (356119882364).

398827213252 is a wasteful number, since it uses less digits than its factorization.

398827213252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33787707 (or 33787705 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The spelling of 398827213252 in words is "three hundred ninety-eight billion, eight hundred twenty-seven million, two hundred thirteen thousand, two hundred fifty-two".