90236 has 12 divisors (see below), whose sum is σ = 167328. Its totient is φ = 42432.

The previous prime is 90227. The next prime is 90239. The reversal of 90236 is 63209.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90239) 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, 596 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (13944).

2⁹⁰²³⁶ is an apocalyptic number.

It is an amenable number.

90236 is a deficient number, since it is larger than the sum of its proper divisors (77092).

90236 is a wasteful number, since it uses less digits than its factorization.

90236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 90236 is about 300.3930758190. The cubic root of 90236 is about 44.8531840742.

The spelling of 90236 in words is "ninety thousand, two hundred thirty-six".