190823972 has 24 divisors (see below), whose sum is σ = 348886272. Its totient is φ = 91216800.

The previous prime is 190823953. The next prime is 190823989. The reversal of 190823972 is 279328091.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022 + ... + 19562.

It is an arithmetic number, because the mean of its divisors is an integer number (14536928).

Almost surely, 2^190823972 is an apocalyptic number.

It is an amenable number.

190823972 is a deficient number, since it is larger than the sum of its proper divisors (158062300).

190823972 is a wasteful number, since it uses less digits than its factorization.

190823972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18659 (or 18657 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 190823972 is about 13813.9050235623. The cubic root of 190823972 is about 575.7195498478.

The spelling of 190823972 in words is "one hundred ninety million, eight hundred twenty-three thousand, nine hundred seventy-two".