8732189 has 2 divisors, whose sum is σ = 8732190. Its totient is φ = 8732188.

The previous prime is 8732159. The next prime is 8732197. The reversal of 8732189 is 9812378.

8732189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5026564 + 3705625 = 2242^2 + 1925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8732189 is a prime.

It is a super-2 number, since 2×8732189² = 152502249463442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8732159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4366094 + 4366095.

It is an arithmetic number, because the mean of its divisors is an integer number (4366095).

Almost surely, 2^8732189 is an apocalyptic number.

It is an amenable number.

8732189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8732189 is an equidigital number, since it uses as much as digits as its factorization.

8732189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 8732189 is about 2955.0277494467. The cubic root of 8732189 is about 205.9243524672.

The spelling of 8732189 in words is "eight million, seven hundred thirty-two thousand, one hundred eighty-nine".