83589972 has 12 divisors (see below), whose sum is σ = 195043296. Its totient is φ = 27863320.

The previous prime is 83589953. The next prime is 83589973. The reversal of 83589972 is 27998538.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83589973) 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, 3482904 + ... + 3482927.

It is an arithmetic number, because the mean of its divisors is an integer number (16253608).

Almost surely, 2^83589972 is an apocalyptic number.

It is an amenable number.

83589972 is an abundant number, since it is smaller than the sum of its proper divisors (111453324).

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

83589972 is a wasteful number, since it uses less digits than its factorization.

83589972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965838 (or 6965836 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 83589972 is about 9142.7551646098. The cubic root of 83589972 is about 437.2381619096.

The spelling of 83589972 in words is "eighty-three million, five hundred eighty-nine thousand, nine hundred seventy-two".