115389856 has 24 divisors (see below), whose sum is σ = 227487204. Its totient is φ = 57615360.

The previous prime is 115389847. The next prime is 115389881. The reversal of 115389856 is 658983511.

It can be written as a sum of positive squares in 2 ways, for example, as 109914256 + 5475600 = 10484^2 + 2340^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26146 + ... + 30238.

Almost surely, 2^115389856 is an apocalyptic number.

115389856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115389856 is a deficient number, since it is larger than the sum of its proper divisors (112097348).

115389856 is an equidigital number, since it uses as much as digits as its factorization.

115389856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984 (or 4976 counting only the distinct ones).

The product of its digits is 259200, while the sum is 46.

The square root of 115389856 is about 10741.9670451924. The cubic root of 115389856 is about 486.8433144520.

The spelling of 115389856 in words is "one hundred fifteen million, three hundred eighty-nine thousand, eight hundred fifty-six".