115689398 has 16 divisors (see below), whose sum is σ = 189623376. Its totient is φ = 52499040.

The previous prime is 115689397. The next prime is 115689421. The reversal of 115689398 is 893986511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115689397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10340 + ... + 18392.

It is an arithmetic number, because the mean of its divisors is an integer number (11851461).

Almost surely, 2^115689398 is an apocalyptic number.

115689398 is a deficient number, since it is larger than the sum of its proper divisors (73933978).

115689398 is a wasteful number, since it uses less digits than its factorization.

115689398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8719.

The product of its digits is 466560, while the sum is 50.

The square root of 115689398 is about 10755.9006131518. The cubic root of 115689398 is about 487.2642180434.

The spelling of 115689398 in words is "one hundred fifteen million, six hundred eighty-nine thousand, three hundred ninety-eight".