6649064 has 16 divisors (see below), whose sum is σ = 12679200. Its totient is φ = 3267952.

The previous prime is 6649063. The next prime is 6649073. The reversal of 6649064 is 4609466.

It is not an unprimeable number, because it can be changed into a prime (6649063) 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, 6572 + ... + 7515.

It is an arithmetic number, because the mean of its divisors is an integer number (792450).

Almost surely, 2^6649064 is an apocalyptic number.

It is an amenable number.

6649064 is a deficient number, since it is larger than the sum of its proper divisors (6030136).

6649064 is a wasteful number, since it uses less digits than its factorization.

6649064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152 (or 14148 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 6649064 is about 2578.5779026432. The cubic root of 6649064 is about 188.0414123348.

The spelling of 6649064 in words is "six million, six hundred forty-nine thousand, sixty-four".