6649264 has 20 divisors (see below), whose sum is σ = 12969904. Its totient is φ = 3302208.

The previous prime is 6649249. The next prime is 6649267. The reversal of 6649264 is 4629466.

It is not an unprimeable number, because it can be changed into a prime (6649267) 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, 1189 + ... + 3835.

Almost surely, 2^6649264 is an apocalyptic number.

It is an amenable number.

6649264 is a deficient number, since it is larger than the sum of its proper divisors (6320640).

6649264 is a wasteful number, since it uses less digits than its factorization.

6649264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2806 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 6649264 is about 2578.6166834177. The cubic root of 6649264 is about 188.0432977082.

The spelling of 6649264 in words is "six million, six hundred forty-nine thousand, two hundred sixty-four".