90383 has 8 divisors (see below), whose sum is σ = 97920. Its totient is φ = 83160.

The previous prime is 90379. The next prime is 90397. The reversal of 90383 is 38309.

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

It is a cyclic number.

It is not a de Polignac number, because 90383 - 2² = 90379 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90313) 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, 1238 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (12240).

2⁹⁰³⁸³ is an apocalyptic number.

90383 is a deficient number, since it is larger than the sum of its proper divisors (7537).

90383 is a wasteful number, since it uses less digits than its factorization.

90383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 90383 is about 300.6376556588. The cubic root of 90383 is about 44.8775270598.

The spelling of 90383 in words is "ninety thousand, three hundred eighty-three".