8363689 has 2 divisors, whose sum is σ = 8363690. Its totient is φ = 8363688.

The previous prime is 8363681. The next prime is 8363701. The reversal of 8363689 is 9863638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8363664 + 25 = 2892^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 8363689 - 2³ = 8363681 is a prime.

It is not a weakly prime, because it can be changed into another prime (8363681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4181844 + 4181845.

It is an arithmetic number, because the mean of its divisors is an integer number (4181845).

Almost surely, 2^8363689 is an apocalyptic number.

It is an amenable number.

8363689 is a deficient number, since it is larger than the sum of its proper divisors (1).

8363689 is an equidigital number, since it uses as much as digits as its factorization.

8363689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 8363689 is about 2892.0043222651. The cubic root of 8363689 is about 202.9859406086.

The spelling of 8363689 in words is "eight million, three hundred sixty-three thousand, six hundred eighty-nine".