115864090 has 32 divisors (see below), whose sum is σ = 220248000. Its totient is φ = 43763328.

The previous prime is 115864031. The next prime is 115864097. The reversal of 115864090 is 90468511.

It is not an unprimeable number, because it can be changed into a prime (115864097) 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, 71206 + ... + 72814.

It is an arithmetic number, because the mean of its divisors is an integer number (6882750).

Almost surely, 2^115864090 is an apocalyptic number.

115864090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115864090 is a deficient number, since it is larger than the sum of its proper divisors (104383910).

115864090 is a wasteful number, since it uses less digits than its factorization.

115864090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 115864090 is about 10764.0183017310. The cubic root of 115864090 is about 487.5093524395.

The spelling of 115864090 in words is "one hundred fifteen million, eight hundred sixty-four thousand, ninety".