8645264 has 20 divisors (see below), whose sum is σ = 16832256. Its totient is φ = 4301472.

The previous prime is 8645261. The next prime is 8645267. The reversal of 8645264 is 4625468.

It is an interprime number because it is at equal distance from previous prime (8645261) and next prime (8645267).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8645261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357 + ... + 4779.

Almost surely, 2^8645264 is an apocalyptic number.

It is an amenable number.

8645264 is a deficient number, since it is larger than the sum of its proper divisors (8186992).

8645264 is a wasteful number, since it uses less digits than its factorization.

8645264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654 (or 2648 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 8645264 is about 2940.2829795787. The cubic root of 8645264 is about 205.2387778880.

The spelling of 8645264 in words is "eight million, six hundred forty-five thousand, two hundred sixty-four".