115915398 has 8 divisors (see below), whose sum is σ = 231830808. Its totient is φ = 38638464.

The previous prime is 115915379. The next prime is 115915411. The reversal of 115915398 is 893519511.

It is a sphenic number, since it is the product of 3 distinct primes.

115915398 is an admirable number.

It is a congruent number.

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, 9659611 + ... + 9659622.

It is an arithmetic number, because the mean of its divisors is an integer number (28978851).

Almost surely, 2^115915398 is an apocalyptic number.

115915398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115915398 is a wasteful number, since it uses less digits than its factorization.

115915398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19319238.

The product of its digits is 48600, while the sum is 42.

The square root of 115915398 is about 10766.4013486401. The cubic root of 115915398 is about 487.5813029422.

The spelling of 115915398 in words is "one hundred fifteen million, nine hundred fifteen thousand, three hundred ninety-eight".