115398 has 16 divisors (see below), whose sum is σ = 256560. Its totient is φ = 38448.

The previous prime is 115363. The next prime is 115399. The reversal of 115398 is 893511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115399) 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, 1015 + ... + 1122.

It is an arithmetic number, because the mean of its divisors is an integer number (16035).

2¹¹⁵³⁹⁸ is an apocalyptic number.

115398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

115398 is an abundant number, since it is smaller than the sum of its proper divisors (141162).

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

115398 is a wasteful number, since it uses less digits than its factorization.

115398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2142 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 115398 is about 339.7028112925. The cubic root of 115398 is about 48.6854767679.

The spelling of 115398 in words is "one hundred fifteen thousand, three hundred ninety-eight".