83912 has 16 divisors (see below), whose sum is σ = 166860. Its totient is φ = 39424.

The previous prime is 83911. The next prime is 83921. The reversal of 83912 is 21938.

It can be written as a sum of positive squares in 2 ways, for example, as 81796 + 2116 = 286^2 + 46^2 .

It is not an unprimeable number, because it can be changed into a prime (83911) 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, 173 + ... + 444.

2⁸³⁹¹² is an apocalyptic number.

It is an amenable number.

83912 is a deficient number, since it is larger than the sum of its proper divisors (82948).

83912 is a wasteful number, since it uses less digits than its factorization.

83912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 636 counting only the distinct ones).

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

The square root of 83912 is about 289.6756807190. The cubic root of 83912 is about 43.7798924963.

The spelling of 83912 in words is "eighty-three thousand, nine hundred twelve".