188990692 has 24 divisors (see below), whose sum is σ = 364002912. Its totient is φ = 85142400.

The previous prime is 188990671. The next prime is 188990707. The reversal of 188990692 is 296099881.

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 7 ways as a sum of consecutive naturals, for example, 14034 + ... + 23977.

It is an arithmetic number, because the mean of its divisors is an integer number (15166788).

Almost surely, 2^188990692 is an apocalyptic number.

It is an amenable number.

188990692 is a deficient number, since it is larger than the sum of its proper divisors (175012220).

188990692 is a wasteful number, since it uses less digits than its factorization.

188990692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38139 (or 38137 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 188990692 is about 13747.3885520123. The cubic root of 188990692 is about 573.8699337440.

The spelling of 188990692 in words is "one hundred eighty-eight million, nine hundred ninety thousand, six hundred ninety-two".