6444002 has 32 divisors (see below), whose sum is σ = 10869120. Its totient is φ = 2851200.

The previous prime is 6443999. The next prime is 6444017. The reversal of 6444002 is 2004446.

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 15 ways as a sum of consecutive naturals, for example, 63752 + ... + 63852.

It is an arithmetic number, because the mean of its divisors is an integer number (339660).

Almost surely, 2^6444002 is an apocalyptic number.

6444002 is a deficient number, since it is larger than the sum of its proper divisors (4425118).

6444002 is a wasteful number, since it uses less digits than its factorization.

6444002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 6444002 is about 2538.5038900896. The cubic root of 6444002 is about 186.0880802239.

Adding to 6444002 its reverse (2004446), we get a palindrome (8448448).

The spelling of 6444002 in words is "six million, four hundred forty-four thousand, two".