83937231 has 24 divisors (see below), whose sum is σ = 145857920. Its totient is φ = 45439056.

The previous prime is 83937187. The next prime is 83937241. The reversal of 83937231 is 13273938.

It is a happy number.

It is not a de Polignac number, because 83937231 - 2⁷ = 83937103 is a prime.

It is a super-2 number, since 2×83937231² = 14090917495894722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83937241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33865 + ... + 36258.

Almost surely, 2^83937231 is an apocalyptic number.

83937231 is a deficient number, since it is larger than the sum of its proper divisors (61920689).

83937231 is a wasteful number, since it uses less digits than its factorization.

83937231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70155 (or 70152 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 83937231 is about 9161.7264202769. The cubic root of 83937231 is about 437.8428002833.

The spelling of 83937231 in words is "eighty-three million, nine hundred thirty-seven thousand, two hundred thirty-one".