890544964 has 27 divisors (see below), whose sum is σ = 1600151007. Its totient is φ = 433663944.

The previous prime is 890544937. The next prime is 890544973. The reversal of 890544964 is 469445098.

The square root of 890544964 is 29842.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×890544964² = 1586140665811522592, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2566239 + ... + 2566585.

Almost surely, 2^890544964 is an apocalyptic number.

890544964 is the 29842-nd square number.

It is an amenable number.

890544964 is a deficient number, since it is larger than the sum of its proper divisors (709606043).

890544964 is an equidigital number, since it uses as much as digits as its factorization.

890544964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The cubic root of 890544964 is about 962.0964614986.

Multiplying 890544964 by its sum of digits (49), we get a square (43636703236 = 208894²).

The spelling of 890544964 in words is "eight hundred ninety million, five hundred forty-four thousand, nine hundred sixty-four".