6644014 has 16 divisors (see below), whose sum is σ = 10963008. Its totient is φ = 3000672.

The previous prime is 6643999. The next prime is 6644023. The reversal of 6644014 is 4104466.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 6644014.

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 7 ways as a sum of consecutive naturals, for example, 1497 + ... + 3940.

It is an arithmetic number, because the mean of its divisors is an integer number (685188).

Almost surely, 2^6644014 is an apocalyptic number.

6644014 is a deficient number, since it is larger than the sum of its proper divisors (4318994).

6644014 is a wasteful number, since it uses less digits than its factorization.

6644014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 6644014 is about 2577.5984947233. The cubic root of 6644014 is about 187.9937941214.

The spelling of 6644014 in words is "six million, six hundred forty-four thousand, fourteen".