890961164 has 24 divisors (see below), whose sum is σ = 1590236928. Its totient is φ = 436625280.

The previous prime is 890961133. The next prime is 890961193. The reversal of 890961164 is 461169098.

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, 310424 + ... + 313280.

It is an arithmetic number, because the mean of its divisors is an integer number (66259872).

Almost surely, 2^890961164 is an apocalyptic number.

It is an amenable number.

890961164 is a deficient number, since it is larger than the sum of its proper divisors (699275764).

890961164 is a wasteful number, since it uses less digits than its factorization.

890961164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385 (or 4383 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 890961164 is about 29848.9725786333. The cubic root of 890961164 is about 962.2463181219.

The spelling of 890961164 in words is "eight hundred ninety million, nine hundred sixty-one thousand, one hundred sixty-four".