188900572 has 12 divisors (see below), whose sum is σ = 377801200. Its totient is φ = 80957376.

The previous prime is 188900563. The next prime is 188900599. The reversal of 188900572 is 275009881.

188900572 is an admirable number.

It is a super-2 number, since 2×188900572² = 71366852203854368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3373197 + ... + 3373252.

Almost surely, 2^188900572 is an apocalyptic number.

It is an amenable number.

188900572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

188900572 is a wasteful number, since it uses less digits than its factorization.

188900572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746460 (or 6746458 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 188900572 is about 13744.1104477518. The cubic root of 188900572 is about 573.7787028294.

The spelling of 188900572 in words is "one hundred eighty-eight million, nine hundred thousand, five hundred seventy-two".