6444016 has 10 divisors (see below), whose sum is σ = 12485312. Its totient is φ = 3222000.

The previous prime is 6443999. The next prime is 6444017. The reversal of 6444016 is 6104446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444017) 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 as a sum of consecutive naturals, namely, 201360 + ... + 201391.

Almost surely, 2^6444016 is an apocalyptic number.

It is an amenable number.

6444016 is a deficient number, since it is larger than the sum of its proper divisors (6041296).

6444016 is a wasteful number, since it uses less digits than its factorization.

6444016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402759 (or 402753 counting only the distinct ones).

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

The square root of 6444016 is about 2538.5066476178. The cubic root of 6444016 is about 186.0882149865.

The spelling of 6444016 in words is "six million, four hundred forty-four thousand, sixteen".