89873 has 8 divisors (see below), whose sum is σ = 105792. Its totient is φ = 74736.

The previous prime is 89867. The next prime is 89891. The reversal of 89873 is 37898.

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 89873 - 2⁶ = 89809 is a prime.

It is a super-2 number, since 2×89873² = 16154312258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89833) 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, 86 + ... + 432.

It is an arithmetic number, because the mean of its divisors is an integer number (13224).

2⁸⁹⁸⁷³ is an apocalyptic number.

It is an amenable number.

89873 is a deficient number, since it is larger than the sum of its proper divisors (15919).

89873 is a wasteful number, since it uses less digits than its factorization.

89873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its digits is 12096, while the sum is 35.

The square root of 89873 is about 299.7882586093. The cubic root of 89873 is about 44.7929583427.

Subtracting from 89873 its product of digits (12096), we obtain a palindrome (77777).

The spelling of 89873 in words is "eighty-nine thousand, eight hundred seventy-three".