9686189 has 2 divisors, whose sum is σ = 9686190. Its totient is φ = 9686188.

The previous prime is 9686161. The next prime is 9686191. The reversal of 9686189 is 9816869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6980164 + 2706025 = 2642^2 + 1645^2 .

It is a cyclic number.

It is not a de Polignac number, because 9686189 - 2⁸ = 9685933 is a prime.

Together with 9686191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9686689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4843094 + 4843095.

It is an arithmetic number, because the mean of its divisors is an integer number (4843095).

Almost surely, 2^9686189 is an apocalyptic number.

It is an amenable number.

9686189 is a deficient number, since it is larger than the sum of its proper divisors (1).

9686189 is an equidigital number, since it uses as much as digits as its factorization.

9686189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 47.

The square root of 9686189 is about 3112.2642882635. The cubic root of 9686189 is about 213.1658578713.

The spelling of 9686189 in words is "nine million, six hundred eighty-six thousand, one hundred eighty-nine".