890568816 has 20 divisors (see below), whose sum is σ = 2300636232. Its totient is φ = 296856256.

The previous prime is 890568803. The next prime is 890568821. The reversal of 890568816 is 618865098.

It is a super-2 number, since 2×890568816² = 1586225632063283712, which 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, 9276711 + ... + 9276806.

Almost surely, 2^890568816 is an apocalyptic number.

It is an amenable number.

890568816 is an abundant number, since it is smaller than the sum of its proper divisors (1410067416).

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

890568816 is a wasteful number, since it uses less digits than its factorization.

890568816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18553528 (or 18553522 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 890568816 is about 29842.3996354181. The cubic root of 890568816 is about 962.1050508908.

The spelling of 890568816 in words is "eight hundred ninety million, five hundred sixty-eight thousand, eight hundred sixteen".