89312 has 12 divisors (see below), whose sum is σ = 175896. Its totient is φ = 44640.

The previous prime is 89303. The next prime is 89317. The reversal of 89312 is 21398.

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 89312.

It is not an unprimeable number, because it can be changed into a prime (89317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (14658).

2⁸⁹³¹² is an apocalyptic number.

It is an amenable number.

89312 is a deficient number, since it is larger than the sum of its proper divisors (86584).

89312 is a wasteful number, since it uses less digits than its factorization.

89312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2793 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 89312 is about 298.8511335096. The cubic root of 89312 is about 44.6995624112.

The spelling of 89312 in words is "eighty-nine thousand, three hundred twelve".