398716208952 has 32 divisors (see below), whose sum is σ = 1028945057280. Its totient is φ = 128618131680.

The previous prime is 398716208941. The next prime is 398716208987. The reversal of 398716208952 is 259802617893.

It is a congruent number.

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, 267953698 + ... + 267955185.

It is an arithmetic number, because the mean of its divisors is an integer number (32154533040).

Almost surely, 2^398716208952 is an apocalyptic number.

It is an amenable number.

398716208952 is an abundant number, since it is smaller than the sum of its proper divisors (630228848328).

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

398716208952 is a wasteful number, since it uses less digits than its factorization.

398716208952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535908923 (or 535908919 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 398716208952 in words is "three hundred ninety-eight billion, seven hundred sixteen million, two hundred eight thousand, nine hundred fifty-two".