195188928 has 56 divisors (see below), whose sum is σ = 563392320. Its totient is φ = 59147520.

The previous prime is 195188923. The next prime is 195188941. The reversal of 195188928 is 829881591.

It is a super-2 number, since 2×195188928² = 76197435227578368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (195188921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44098 + ... + 48321.

Almost surely, 2^195188928 is an apocalyptic number.

It is an amenable number.

195188928 is an abundant number, since it is smaller than the sum of its proper divisors (368203392).

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

195188928 is a wasteful number, since it uses less digits than its factorization.

195188928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92445 (or 92435 counting only the distinct ones).

The product of its digits is 414720, while the sum is 51.

The square root of 195188928 is about 13971.0031135921. The cubic root of 195188928 is about 580.0762166983.

The spelling of 195188928 in words is "one hundred ninety-five million, one hundred eighty-eight thousand, nine hundred twenty-eight".