23790990 has 32 divisors (see below), whose sum is σ = 60458400. Its totient is φ = 5970944.

The previous prime is 23790971. The next prime is 23791013. The reversal of 23790990 is 9909732.

It is a super-2 number, since 2×23790990² = 1132022410360200, 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 15 ways as a sum of consecutive naturals, for example, 22815 + ... + 23834.

It is an arithmetic number, because the mean of its divisors is an integer number (1889325).

Almost surely, 2^23790990 is an apocalyptic number.

23790990 is an abundant number, since it is smaller than the sum of its proper divisors (36667410).

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

23790990 is a wasteful number, since it uses less digits than its factorization.

23790990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46676.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 23790990 is about 4877.6008446776. The cubic root of 23790990 is about 287.6101254235.

The spelling of 23790990 in words is "twenty-three million, seven hundred ninety thousand, nine hundred ninety".