90502 has 8 divisors (see below), whose sum is σ = 139536. Its totient is φ = 43992.

The previous prime is 90499. The next prime is 90511. The reversal of 90502 is 20509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×90502² = 16381224008, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538 + ... + 685.

It is an arithmetic number, because the mean of its divisors is an integer number (17442).

2⁹⁰⁵⁰² is an apocalyptic number.

90502 is a deficient number, since it is larger than the sum of its proper divisors (49034).

90502 is a wasteful number, since it uses less digits than its factorization.

90502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 90502 is about 300.8355032239. The cubic root of 90502 is about 44.8972139613.

The spelling of 90502 in words is "ninety thousand, five hundred two".