115853904 has 30 divisors (see below), whose sum is σ = 324230426. Its totient is φ = 38617920.

The previous prime is 115853893. The next prime is 115853909. The reversal of 115853904 is 409358511.

115853904 is a `hidden beast` number, since 115 + 8 + 539 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 112784400 + 3069504 = 10620^2 + 1752^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115853909) 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, 402127 + ... + 402414.

Almost surely, 2^115853904 is an apocalyptic number.

It is an amenable number.

115853904 is an abundant number, since it is smaller than the sum of its proper divisors (208376522).

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

115853904 is a wasteful number, since it uses less digits than its factorization.

115853904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804555 (or 804546 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 115853904 is about 10763.5451408911. The cubic root of 115853904 is about 487.4950658278.

The spelling of 115853904 in words is "one hundred fifteen million, eight hundred fifty-three thousand, nine hundred four".