8664413 has 2 divisors, whose sum is σ = 8664414. Its totient is φ = 8664412.

The previous prime is 8664389. The next prime is 8664419. The reversal of 8664413 is 3144668.

8664413 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5968249 + 2696164 = 2443^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 8664413 - 2⁸ = 8664157 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8664413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8664419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4332206 + 4332207.

It is an arithmetic number, because the mean of its divisors is an integer number (4332207).

Almost surely, 2^8664413 is an apocalyptic number.

It is an amenable number.

8664413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8664413 is an equidigital number, since it uses as much as digits as its factorization.

8664413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 8664413 is about 2943.5374976378. The cubic root of 8664413 is about 205.3901987209.

The spelling of 8664413 in words is "eight million, six hundred sixty-four thousand, four hundred thirteen".