115887432 has 64 divisors (see below), whose sum is σ = 304560000. Its totient is φ = 36675584.

The previous prime is 115887413. The next prime is 115887433. The reversal of 115887432 is 234788511.

It is not an unprimeable number, because it can be changed into a prime (115887433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81544 + ... + 82952.

It is an arithmetic number, because the mean of its divisors is an integer number (4758750).

Almost surely, 2^115887432 is an apocalyptic number.

115887432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115887432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152280000).

115887432 is an abundant number, since it is smaller than the sum of its proper divisors (188672568).

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

115887432 is a wasteful number, since it uses less digits than its factorization.

115887432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1586 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 115887432 is about 10765.1025076401. The cubic root of 115887432 is about 487.5420881480.

The spelling of 115887432 in words is "one hundred fifteen million, eight hundred eighty-seven thousand, four hundred thirty-two".