115590393 has 6 divisors (see below), whose sum is σ = 166963914. Its totient is φ = 77060256.

The previous prime is 115590389. The next prime is 115590421. The reversal of 115590393 is 393095511.

115590393 is a `hidden beast` number, since 11 + 559 + 0 + 3 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72386064 + 43204329 = 8508^2 + 6573^2 .

It is not a de Polignac number, because 115590393 - 2² = 115590389 is a prime.

It is a super-2 number, since 2×115590393² = 26722277907788898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115590313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6421680 + ... + 6421697.

It is an arithmetic number, because the mean of its divisors is an integer number (27827319).

Almost surely, 2^115590393 is an apocalyptic number.

It is an amenable number.

115590393 is a deficient number, since it is larger than the sum of its proper divisors (51373521).

115590393 is a wasteful number, since it uses less digits than its factorization.

115590393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12843383 (or 12843380 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 36.

The square root of 115590393 is about 10751.2972705623. The cubic root of 115590393 is about 487.1251809241.

The spelling of 115590393 in words is "one hundred fifteen million, five hundred ninety thousand, three hundred ninety-three".