83952239 has 24 divisors (see below), whose sum is σ = 104569920. Its totient is φ = 66963456.

The previous prime is 83952217. The next prime is 83952251. The reversal of 83952239 is 93225938.

It is not a de Polignac number, because 83952239 - 2²⁴ = 67175023 is a prime.

It is a super-2 number, since 2×83952239² = 14095956866226242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83952196 and 83952205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83952269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80282 + ... + 81320.

It is an arithmetic number, because the mean of its divisors is an integer number (4357080).

Almost surely, 2^83952239 is an apocalyptic number.

83952239 is a deficient number, since it is larger than the sum of its proper divisors (20617681).

83952239 is a wasteful number, since it uses less digits than its factorization.

83952239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1160 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 83952239 is about 9162.5454432707. The cubic root of 83952239 is about 437.8688941992.

The spelling of 83952239 in words is "eighty-three million, nine hundred fifty-two thousand, two hundred thirty-nine".