83172236 has 12 divisors (see below), whose sum is σ = 166344528. Its totient is φ = 35645232.

The previous prime is 83172197. The next prime is 83172283. The reversal of 83172236 is 63227138.

It is a happy number.

83172236 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485191 + ... + 1485246.

It is an arithmetic number, because the mean of its divisors is an integer number (13862044).

Almost surely, 2^83172236 is an apocalyptic number.

It is an amenable number.

83172236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83172236 is a wasteful number, since it uses less digits than its factorization.

83172236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970448 (or 2970446 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 83172236 is about 9119.8813588774. The cubic root of 83172236 is about 436.5085878347.

The spelling of 83172236 in words is "eighty-three million, one hundred seventy-two thousand, two hundred thirty-six".