83597172 has 12 divisors (see below), whose sum is σ = 195060096. Its totient is φ = 27865720.

The previous prime is 83597153. The next prime is 83597179. The reversal of 83597172 is 27179538.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83597179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3483204 + ... + 3483227.

It is an arithmetic number, because the mean of its divisors is an integer number (16255008).

Almost surely, 2^83597172 is an apocalyptic number.

It is an amenable number.

83597172 is an abundant number, since it is smaller than the sum of its proper divisors (111462924).

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

83597172 is a wasteful number, since it uses less digits than its factorization.

83597172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966438 (or 6966436 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 83597172 is about 9143.1489105231. The cubic root of 83597172 is about 437.2507153467.

The spelling of 83597172 in words is "eighty-three million, five hundred ninety-seven thousand, one hundred seventy-two".