90356 has 18 divisors (see below), whose sum is σ = 184338. Its totient is φ = 38640.

The previous prime is 90353. The next prime is 90359. The reversal of 90356 is 65309.

It is an interprime number because it is at equal distance from previous prime (90353) and next prime (90359).

It can be written as a sum of positive squares in only one way, i.e., 70756 + 19600 = 266^2 + 140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35 + ... + 426.

It is an arithmetic number, because the mean of its divisors is an integer number (10241).

2⁹⁰³⁵⁶ is an apocalyptic number.

It is an amenable number.

90356 is an abundant number, since it is smaller than the sum of its proper divisors (93982).

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

90356 is a wasteful number, since it uses less digits than its factorization.

90356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 90356 is about 300.5927477502. The cubic root of 90356 is about 44.8730578790.

It can be divided in two parts, 903 and 56, that added together give a palindrome (959).

The spelling of 90356 in words is "ninety thousand, three hundred fifty-six".