6649996 has 12 divisors (see below), whose sum is σ = 12013120. Its totient is φ = 3217680.

The previous prime is 6649919. The next prime is 6649999. The reversal of 6649996 is 6999466.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6649999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26691 + ... + 26938.

Almost surely, 2^6649996 is an apocalyptic number.

It is an amenable number.

6649996 is a deficient number, since it is larger than the sum of its proper divisors (5363124).

6649996 is a wasteful number, since it uses less digits than its factorization.

6649996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53664 (or 53662 counting only the distinct ones).

The product of its digits is 629856, while the sum is 49.

The square root of 6649996 is about 2578.7586160787. The cubic root of 6649996 is about 188.0501978525.

The spelling of 6649996 in words is "six million, six hundred forty-nine thousand, nine hundred ninety-six".