115659992 has 96 divisors (see below), whose sum is σ = 271479600. Its totient is φ = 45916416.

The previous prime is 115659989. The next prime is 115660007. The reversal of 115659992 is 299956511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394598 + ... + 394890.

Almost surely, 2^115659992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115659992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135739800).

115659992 is an abundant number, since it is smaller than the sum of its proper divisors (155819608).

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

115659992 is a wasteful number, since it uses less digits than its factorization.

115659992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 374 counting only the distinct ones).

The product of its digits is 218700, while the sum is 47.

The square root of 115659992 is about 10754.5335556685. The cubic root of 115659992 is about 487.2229301754. Note that the first 3 decimals are identical.

The spelling of 115659992 in words is "one hundred fifteen million, six hundred fifty-nine thousand, nine hundred ninety-two".