83973189 has 8 divisors (see below), whose sum is σ = 112039200. Its totient is φ = 55944656.

The previous prime is 83973187. The next prime is 83973193. The reversal of 83973189 is 98137938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83973189 - 2¹ = 83973187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83973187) 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, 3639 + ... + 13460.

It is an arithmetic number, because the mean of its divisors is an integer number (14004900).

Almost surely, 2^83973189 is an apocalyptic number.

It is an amenable number.

83973189 is a deficient number, since it is larger than the sum of its proper divisors (28066011).

83973189 is a wasteful number, since it uses less digits than its factorization.

83973189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18739.

The product of its digits is 326592, while the sum is 48.

The square root of 83973189 is about 9163.6886132168. The cubic root of 83973189 is about 437.9053140751.

The spelling of 83973189 in words is "eighty-three million, nine hundred seventy-three thousand, one hundred eighty-nine".