189931096 has 16 divisors (see below), whose sum is σ = 356495040. Its totient is φ = 94865760.

The previous prime is 189931081. The next prime is 189931103. The reversal of 189931096 is 690139981.

It is a super-2 number, since 2×189931096² = 72147642455522432, 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, 4051 + ... + 19906.

It is an arithmetic number, because the mean of its divisors is an integer number (22280940).

Almost surely, 2^189931096 is an apocalyptic number.

It is an amenable number.

189931096 is a deficient number, since it is larger than the sum of its proper divisors (166563944).

189931096 is a wasteful number, since it uses less digits than its factorization.

189931096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24954 (or 24950 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 189931096 is about 13781.5491146678. The cubic root of 189931096 is about 574.8202044035.

The spelling of 189931096 in words is "one hundred eighty-nine million, nine hundred thirty-one thousand, ninety-six".