8664317 has 2 divisors, whose sum is σ = 8664318. Its totient is φ = 8664316.

The previous prime is 8664311. The next prime is 8664329. The reversal of 8664317 is 7134668.

8664317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4923961 + 3740356 = 2219^2 + 1934^2 .

It is a cyclic number.

It is not a de Polignac number, because 8664317 - 2¹² = 8660221 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 (8664311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4332158 + 4332159.

It is an arithmetic number, because the mean of its divisors is an integer number (4332159).

Almost surely, 2^8664317 is an apocalyptic number.

It is an amenable number.

8664317 is a deficient number, since it is larger than the sum of its proper divisors (1).

8664317 is an equidigital number, since it uses as much as digits as its factorization.

8664317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 8664317 is about 2943.5211906830. The cubic root of 8664317 is about 205.3894401570.

The spelling of 8664317 in words is "eight million, six hundred sixty-four thousand, three hundred seventeen".