90933 has 8 divisors (see below), whose sum is σ = 128448. Its totient is φ = 57024.

The previous prime is 90931. The next prime is 90947. The reversal of 90933 is 33909.

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

It is not a de Polignac number, because 90933 - 2¹ = 90931 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841 + ... + 942.

It is an arithmetic number, because the mean of its divisors is an integer number (16056).

2⁹⁰⁹³³ is an apocalyptic number.

It is an amenable number.

90933 is a deficient number, since it is larger than the sum of its proper divisors (37515).

90933 is a wasteful number, since it uses less digits than its factorization.

90933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 729, while the sum is 24.

The square root of 90933 is about 301.5509907130. The cubic root of 90933 is about 44.9683728386.

Subtracting from 90933 its sum of digits (24), we obtain a palindrome (90909).

The spelling of 90933 in words is "ninety thousand, nine hundred thirty-three".