115658397 has 12 divisors (see below), whose sum is σ = 167266944. Its totient is φ = 77011080.

The previous prime is 115658393. The next prime is 115658441. The reversal of 115658397 is 793856511.

It is a happy number.

115658397 is a `hidden beast` number, since 1 + 1 + 565 + 83 + 9 + 7 = 666.

It is not a de Polignac number, because 115658397 - 2² = 115658393 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115658393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322 + ... + 15212.

It is an arithmetic number, because the mean of its divisors is an integer number (13938912).

Almost surely, 2^115658397 is an apocalyptic number.

It is an amenable number.

115658397 is a deficient number, since it is larger than the sum of its proper divisors (51608547).

115658397 is a wasteful number, since it uses less digits than its factorization.

115658397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15760 (or 15757 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 115658397 is about 10754.4594006393. The cubic root of 115658397 is about 487.2206904954.

The spelling of 115658397 in words is "one hundred fifteen million, six hundred fifty-eight thousand, three hundred ninety-seven".