115884072 has 24 divisors (see below), whose sum is σ = 313852890. Its totient is φ = 38628000.

The previous prime is 115884061. The next prime is 115884077. The reversal of 115884072 is 270488511.

115884072 is a `hidden beast` number, since 1 + 1 + 588 + 4 + 0 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 94595076 + 21288996 = 9726^2 + 4614^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (115884077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 804679 + ... + 804822.

Almost surely, 2^115884072 is an apocalyptic number.

115884072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115884072 is an abundant number, since it is smaller than the sum of its proper divisors (197968818).

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

115884072 is a wasteful number, since it uses less digits than its factorization.

115884072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609513 (or 1609506 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 115884072 is about 10764.9464466852. The cubic root of 115884072 is about 487.5373762270.

The spelling of 115884072 in words is "one hundred fifteen million, eight hundred eighty-four thousand, seventy-two".