8664626 has 4 divisors (see below), whose sum is σ = 12996942. Its totient is φ = 4332312.

The previous prime is 8664613. The next prime is 8664661. The reversal of 8664626 is 6264668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7845601 + 819025 = 2801^2 + 905^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8664626.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2166155 + ... + 2166158.

Almost surely, 2^8664626 is an apocalyptic number.

8664626 is a deficient number, since it is larger than the sum of its proper divisors (4332316).

8664626 is a wasteful number, since it uses less digits than its factorization.

8664626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332315.

The product of its digits is 82944, while the sum is 38.

The square root of 8664626 is about 2943.5736783712. The cubic root of 8664626 is about 205.3918817645.

The spelling of 8664626 in words is "eight million, six hundred sixty-four thousand, six hundred twenty-six".