6649056 has 36 divisors (see below), whose sum is σ = 18909072. Its totient is φ = 2216256.

The previous prime is 6649007. The next prime is 6649063. The reversal of 6649056 is 6509466.

It is a happy number.

6649056 is a `hidden beast` number, since 6 + 649 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×6649056² = 88419891382272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6649056.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 11256 + ... + 11831.

It is an arithmetic number, because the mean of its divisors is an integer number (525252).

Almost surely, 2^6649056 is an apocalyptic number.

It is an amenable number.

6649056 is an abundant number, since it is smaller than the sum of its proper divisors (12260016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6649056 is a wasteful number, since it uses less digits than its factorization.

6649056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23103 (or 23092 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 6649056 is about 2578.5763514001. The cubic root of 6649056 is about 188.0413369190.

The spelling of 6649056 in words is "six million, six hundred forty-nine thousand, fifty-six".