8544664 has 8 divisors (see below), whose sum is σ = 16021260. Its totient is φ = 4272328.

The previous prime is 8544649. The next prime is 8544671. The reversal of 8544664 is 4664458.

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

It is a super-2 number, since 2×8544664² = 146022565745792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534034 + ... + 534049.

Almost surely, 2^8544664 is an apocalyptic number.

It is an amenable number.

8544664 is a deficient number, since it is larger than the sum of its proper divisors (7476596).

8544664 is a wasteful number, since it uses less digits than its factorization.

8544664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068089 (or 1068085 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 8544664 is about 2923.1257242890. The cubic root of 8544664 is about 204.4395877688.

The spelling of 8544664 in words is "eight million, five hundred forty-four thousand, six hundred sixty-four".