115291398 has 16 divisors (see below), whose sum is σ = 231373296. Its totient is φ = 38298720.

The previous prime is 115291381. The next prime is 115291427. The reversal of 115291398 is 893192511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31033 + ... + 34548.

It is an arithmetic number, because the mean of its divisors is an integer number (14460831).

Almost surely, 2^115291398 is an apocalyptic number.

115291398 is an abundant number, since it is smaller than the sum of its proper divisors (116081898).

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

115291398 is a wasteful number, since it uses less digits than its factorization.

115291398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65879.

The product of its digits is 19440, while the sum is 39.

The square root of 115291398 is about 10737.3832007617. The cubic root of 115291398 is about 486.7048064394.

The spelling of 115291398 in words is "one hundred fifteen million, two hundred ninety-one thousand, three hundred ninety-eight".