90995 has 4 divisors (see below), whose sum is σ = 109200. Its totient is φ = 72792.

The previous prime is 90989. The next prime is 90997. The reversal of 90995 is 59909.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59909 = 139 ⋅431.

It is a cyclic number.

It is not a de Polignac number, because 90995 - 2⁶ = 90931 is a prime.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90995.

It is not an unprimeable number, because it can be changed into a prime (90997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9095 + ... + 9104.

It is an arithmetic number, because the mean of its divisors is an integer number (27300).

2⁹⁰⁹⁹⁵ is an apocalyptic number.

90995 is a deficient number, since it is larger than the sum of its proper divisors (18205).

90995 is a wasteful number, since it uses less digits than its factorization.

90995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18204.

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

The square root of 90995 is about 301.6537750468. The cubic root of 90995 is about 44.9785906389.

The spelling of 90995 in words is "ninety thousand, nine hundred ninety-five".