6446344 has 16 divisors (see below), whose sum is σ = 12134700. Its totient is φ = 3210432.

The previous prime is 6446299. The next prime is 6446347. The reversal of 6446344 is 4436446.

It can be written as a sum of positive squares in 2 ways, for example, as 6441444 + 4900 = 2538^2 + 70^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6446347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762 + ... + 3670.

Almost surely, 2^6446344 is an apocalyptic number.

It is an amenable number.

6446344 is a deficient number, since it is larger than the sum of its proper divisors (5688356).

6446344 is a wasteful number, since it uses less digits than its factorization.

6446344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192 (or 3188 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 6446344 is about 2538.9651435181. The cubic root of 6446344 is about 186.1106213662.

The spelling of 6446344 in words is "six million, four hundred forty-six thousand, three hundred forty-four".