83979236 has 24 divisors (see below), whose sum is σ = 160872096. Its totient is φ = 38041920.

The previous prime is 83979229. The next prime is 83979239. The reversal of 83979236 is 63297938.

It is not an unprimeable number, because it can be changed into a prime (83979239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10400 + ... + 16616.

It is an arithmetic number, because the mean of its divisors is an integer number (6703004).

Almost surely, 2^83979236 is an apocalyptic number.

It is an amenable number.

83979236 is a deficient number, since it is larger than the sum of its proper divisors (76892860).

83979236 is a wasteful number, since it uses less digits than its factorization.

83979236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539 (or 6537 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 83979236 is about 9164.0185508324. The cubic root of 83979236 is about 437.9158251676.

The spelling of 83979236 in words is "eighty-three million, nine hundred seventy-nine thousand, two hundred thirty-six".