8605664 has 12 divisors (see below), whose sum is σ = 16942464. Its totient is φ = 4302816.

The previous prime is 8605637. The next prime is 8605691. The reversal of 8605664 is 4665068.

It is an interprime number because it is at equal distance from previous prime (8605637) and next prime (8605691).

It is a congruent number.

It is an unprimeable number.

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, 134432 + ... + 134495.

It is an arithmetic number, because the mean of its divisors is an integer number (1411872).

Almost surely, 2^8605664 is an apocalyptic number.

It is an amenable number.

8605664 is a deficient number, since it is larger than the sum of its proper divisors (8336800).

8605664 is a wasteful number, since it uses less digits than its factorization.

8605664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268937 (or 268929 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 8605664 is about 2933.5412047558. The cubic root of 8605664 is about 204.9249298796.

The spelling of 8605664 in words is "eight million, six hundred five thousand, six hundred sixty-four".