6644059 has 16 divisors (see below), whose sum is σ = 7365600. Its totient is φ = 5967360.

The previous prime is 6644047. The next prime is 6644069. The reversal of 6644059 is 9504466.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6644059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6644069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44517 + ... + 44665.

It is an arithmetic number, because the mean of its divisors is an integer number (460350).

Almost surely, 2^6644059 is an apocalyptic number.

6644059 is a deficient number, since it is larger than the sum of its proper divisors (721541).

6644059 is a wasteful number, since it uses less digits than its factorization.

6644059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6644059 is about 2577.6072237639. The cubic root of 6644059 is about 187.9942185486.

The spelling of 6644059 in words is "six million, six hundred forty-four thousand, fifty-nine".