115590 has 16 divisors (see below), whose sum is σ = 277488. Its totient is φ = 30816.

The previous prime is 115589. The next prime is 115597. The reversal of 115590 is 95511.

It is a happy number.

It is a super-2 number, since 2×115590² = 26722096200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115597) 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, 1897 + ... + 1956.

It is an arithmetic number, because the mean of its divisors is an integer number (17343).

2¹¹⁵⁵⁹⁰ is an apocalyptic number.

115590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115590 is an abundant number, since it is smaller than the sum of its proper divisors (161898).

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

115590 is a wasteful number, since it uses less digits than its factorization.

115590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 115590 is about 339.9852937996. The cubic root of 115590 is about 48.7124628859.

The spelling of 115590 in words is "one hundred fifteen thousand, five hundred ninety".