8684189 has 2 divisors, whose sum is σ = 8684190. Its totient is φ = 8684188.

The previous prime is 8684177. The next prime is 8684201. The reversal of 8684189 is 9814868.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (8684177) and next prime (8684201).

It can be written as a sum of positive squares in only one way, i.e., 4481689 + 4202500 = 2117^2 + 2050^2 .

It is a cyclic number.

It is not a de Polignac number, because 8684189 - 2⁴ = 8684173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8684089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4342094 + 4342095.

It is an arithmetic number, because the mean of its divisors is an integer number (4342095).

Almost surely, 2^8684189 is an apocalyptic number.

It is an amenable number.

8684189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8684189 is an equidigital number, since it uses as much as digits as its factorization.

8684189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 44.

The square root of 8684189 is about 2946.8948064022. The cubic root of 8684189 is about 205.5463435636.

The spelling of 8684189 in words is "eight million, six hundred eighty-four thousand, one hundred eighty-nine".