90893 has 4 divisors (see below), whose sum is σ = 99168. Its totient is φ = 82620.

The previous prime is 90887. The next prime is 90901. The reversal of 90893 is 39809.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90893 - 2¹⁴ = 74509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90893.

It is not an unprimeable number, because it can be changed into a prime (90803) 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, 4121 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (24792).

2⁹⁰⁸⁹³ is an apocalyptic number.

It is an amenable number.

90893 is a deficient number, since it is larger than the sum of its proper divisors (8275).

90893 is a wasteful number, since it uses less digits than its factorization.

90893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8274.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 90893 is about 301.4846596429. The cubic root of 90893 is about 44.9617782443.

It can be divided in two parts, 908 and 93, that added together give a palindrome (1001).

The spelling of 90893 in words is "ninety thousand, eight hundred ninety-three".