83283971 has 4 divisors (see below), whose sum is σ = 84649344. Its totient is φ = 81918600.

The previous prime is 83283931. The next prime is 83283983. The reversal of 83283971 is 17938238.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83283971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83283931) 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, 682595 + ... + 682716.

It is an arithmetic number, because the mean of its divisors is an integer number (21162336).

Almost surely, 2^83283971 is an apocalyptic number.

83283971 is a deficient number, since it is larger than the sum of its proper divisors (1365373).

83283971 is a wasteful number, since it uses less digits than its factorization.

83283971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365372.

The product of its digits is 72576, while the sum is 41.

The square root of 83283971 is about 9126.0052049076. The cubic root of 83283971 is about 436.7039713935.

The spelling of 83283971 in words is "eighty-three million, two hundred eighty-three thousand, nine hundred seventy-one".