8626664 has 8 divisors (see below), whose sum is σ = 16175010. Its totient is φ = 4313328.

The previous prime is 8626643. The next prime is 8626669. The reversal of 8626664 is 4666268.

It can be written as a sum of positive squares in only one way, i.e., 7606564 + 1020100 = 2758^2 + 1010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8626669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539159 + ... + 539174.

Almost surely, 2^8626664 is an apocalyptic number.

It is an amenable number.

8626664 is a deficient number, since it is larger than the sum of its proper divisors (7548346).

8626664 is a wasteful number, since it uses less digits than its factorization.

8626664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078339 (or 1078335 counting only the distinct ones).

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

The square root of 8626664 is about 2937.1183156284. The cubic root of 8626664 is about 205.0914840539.

The spelling of 8626664 in words is "eight million, six hundred twenty-six thousand, six hundred sixty-four".