90232 has 8 divisors (see below), whose sum is σ = 169200. Its totient is φ = 45112.

The previous prime is 90227. The next prime is 90239. The reversal of 90232 is 23209.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90239) by changing a digit.

90232 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 5632 + ... + 5647.

It is an arithmetic number, because the mean of its divisors is an integer number (21150).

2⁹⁰²³² is an apocalyptic number.

It is an amenable number.

90232 is a deficient number, since it is larger than the sum of its proper divisors (78968).

90232 is a wasteful number, since it uses less digits than its factorization.

90232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285 (or 11281 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 90232 is about 300.3864178021. The cubic root of 90232 is about 44.8525213107.

It can be divided in two parts, 9023 and 2, that added together give a square (9025 = 95²).

The spelling of 90232 in words is "ninety thousand, two hundred thirty-two".