99590 has 16 divisors (see below), whose sum is σ = 187488. Its totient is φ = 38016.

The previous prime is 99581. The next prime is 99607. The reversal of 99590 is 9599.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99590.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14 + ... + 446.

It is an arithmetic number, because the mean of its divisors is an integer number (11718).

2⁹⁹⁵⁹⁰ is an apocalyptic number.

99590 is a deficient number, since it is larger than the sum of its proper divisors (87898).

99590 is a wasteful number, since it uses less digits than its factorization.

99590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 3645, while the sum is 32.

The square root of 99590 is about 315.5788332572. The cubic root of 99590 is about 46.3523663962.

The spelling of 99590 in words is "ninety-nine thousand, five hundred ninety".