6444629 has 8 divisors (see below), whose sum is σ = 6900000. Its totient is φ = 6000912.

The previous prime is 6444619. The next prime is 6444631. The reversal of 6444629 is 9264446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6444629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444619) 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 7 ways as a sum of consecutive naturals, for example, 1754 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (862500).

Almost surely, 2^6444629 is an apocalyptic number.

It is an amenable number.

6444629 is a deficient number, since it is larger than the sum of its proper divisors (455371).

6444629 is a wasteful number, since it uses less digits than its factorization.

6444629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827.

The product of its digits is 41472, while the sum is 35.

The square root of 6444629 is about 2538.6273850252. The cubic root of 6444629 is about 186.0941154715.

The spelling of 6444629 in words is "six million, four hundred forty-four thousand, six hundred twenty-nine".