90495 has 12 divisors (see below), whose sum is σ = 156936. Its totient is φ = 48240.

The previous prime is 90481. The next prime is 90499. The reversal of 90495 is 59409.

It is a happy number.

It is not a de Polignac number, because 90495 - 2⁸ = 90239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 961 + ... + 1050.

It is an arithmetic number, because the mean of its divisors is an integer number (13078).

2⁹⁰⁴⁹⁵ is an apocalyptic number.

90495 is a deficient number, since it is larger than the sum of its proper divisors (66441).

90495 is a wasteful number, since it uses less digits than its factorization.

90495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 90495 is about 300.8238687338. The cubic root of 90495 is about 44.8960563862.

It can be divided in two parts, 904 and 95, that added together give a palindrome (999).

The spelling of 90495 in words is "ninety thousand, four hundred ninety-five".