6444448 has 12 divisors (see below), whose sum is σ = 12687570. Its totient is φ = 3222208.

The previous prime is 6444443. The next prime is 6444481. The reversal of 6444448 is 8444446.

It can be written as a sum of positive squares in only one way, i.e., 4048144 + 2396304 = 2012^2 + 1548^2 .

It is not an unprimeable number, because it can be changed into a prime (6444443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100663 + ... + 100726.

Almost surely, 2^6444448 is an apocalyptic number.

It is an amenable number.

6444448 is a deficient number, since it is larger than the sum of its proper divisors (6243122).

6444448 is a wasteful number, since it uses less digits than its factorization.

6444448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201399 (or 201391 counting only the distinct ones).

The product of its digits is 49152, while the sum is 34.

The square root of 6444448 is about 2538.5917355888. The cubic root of 6444448 is about 186.0923732792.

The spelling of 6444448 in words is "six million, four hundred forty-four thousand, four hundred forty-eight".