8968189 has 2 divisors, whose sum is σ = 8968190. Its totient is φ = 8968188.

The previous prime is 8968187. The next prime is 8968199. The reversal of 8968189 is 9818698.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7425625 + 1542564 = 2725^2 + 1242^2 .

It is a cyclic number.

It is not a de Polignac number, because 8968189 - 2¹ = 8968187 is a prime.

Together with 8968187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8968181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4484094 + 4484095.

It is an arithmetic number, because the mean of its divisors is an integer number (4484095).

Almost surely, 2^8968189 is an apocalyptic number.

It is an amenable number.

8968189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8968189 is an equidigital number, since it uses as much as digits as its factorization.

8968189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 49.

The square root of 8968189 is about 2994.6934734627. The cubic root of 8968189 is about 207.7630206018.

The spelling of 8968189 in words is "eight million, nine hundred sixty-eight thousand, one hundred eighty-nine".