115439800 has 48 divisors (see below), whose sum is σ = 306743760. Its totient is φ = 39578880.

The previous prime is 115439789. The next prime is 115439837. The reversal of 115439800 is 8934511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39829 + ... + 42628.

It is an arithmetic number, because the mean of its divisors is an integer number (6390495).

Almost surely, 2^115439800 is an apocalyptic number.

115439800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115439800 is an abundant number, since it is smaller than the sum of its proper divisors (191303960).

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

115439800 is a wasteful number, since it uses less digits than its factorization.

115439800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82480 (or 82471 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 115439800 is about 10744.2915075867. The cubic root of 115439800 is about 486.9135441819.

The spelling of 115439800 in words is "one hundred fifteen million, four hundred thirty-nine thousand, eight hundred".