8508664 has 16 divisors (see below), whose sum is σ = 15986520. Its totient is φ = 4245600.

The previous prime is 8508623. The next prime is 8508671. The reversal of 8508664 is 4668058.

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 in 3 ways as a sum of consecutive naturals, for example, 5139 + ... + 6589.

Almost surely, 2^8508664 is an apocalyptic number.

It is an amenable number.

8508664 is a deficient number, since it is larger than the sum of its proper divisors (7477856).

8508664 is a wasteful number, since it uses less digits than its factorization.

8508664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 8508664 is about 2916.9614327241. The cubic root of 8508664 is about 204.1520716671.

Subtracting from 8508664 its reverse (4668058), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 8508664 in words is "eight million, five hundred eight thousand, six hundred sixty-four".