398898926560 has 24 divisors (see below), whose sum is σ = 942398714376. Its totient is φ = 159559570560.

The previous prime is 398898926537. The next prime is 398898926603. The reversal of 398898926560 is 65629898893.

It is a super-2 number, since 2×398898926560² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246558986 + ... + 1246559305.

It is an arithmetic number, because the mean of its divisors is an integer number (39266613099).

Almost surely, 2^398898926560 is an apocalyptic number.

It is an amenable number.

398898926560 is an abundant number, since it is smaller than the sum of its proper divisors (543499787816).

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

398898926560 is a wasteful number, since it uses less digits than its factorization.

398898926560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493118306 (or 2493118298 counting only the distinct ones).

The product of its (nonzero) digits is 403107840, while the sum is 73.

The spelling of 398898926560 in words is "three hundred ninety-eight billion, eight hundred ninety-eight million, nine hundred twenty-six thousand, five hundred sixty".