6634564 has 12 divisors (see below), whose sum is σ = 11647888. Its totient is φ = 3306600.

The previous prime is 6634561. The next prime is 6634571. The reversal of 6634564 is 4654366.

It is not an unprimeable number, because it can be changed into a prime (6634561) 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, 1182 + ... + 3829.

Almost surely, 2^6634564 is an apocalyptic number.

It is an amenable number.

6634564 is a deficient number, since it is larger than the sum of its proper divisors (5013324).

6634564 is a wasteful number, since it uses less digits than its factorization.

6634564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346 (or 5344 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 6634564 is about 2575.7647408100. The cubic root of 6634564 is about 187.9046219082.

The spelling of 6634564 in words is "six million, six hundred thirty-four thousand, five hundred sixty-four".