115991792 has 20 divisors (see below), whose sum is σ = 256839216. Its totient is φ = 49710720.

The previous prime is 115991773. The next prime is 115991803. The reversal of 115991792 is 297199511.

It is a super-2 number, since 2×115991792² = 26908191622742528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517709 + ... + 517932.

Almost surely, 2^115991792 is an apocalyptic number.

It is an amenable number.

115991792 is an abundant number, since it is smaller than the sum of its proper divisors (140847424).

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

115991792 is a wasteful number, since it uses less digits than its factorization.

115991792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035656 (or 1035650 counting only the distinct ones).

The product of its digits is 51030, while the sum is 44.

The square root of 115991792 is about 10769.9485606942. The cubic root of 115991792 is about 487.6883928454.

The spelling of 115991792 in words is "one hundred fifteen million, nine hundred ninety-one thousand, seven hundred ninety-two".