444644 has 12 divisors (see below), whose sum is σ = 787500. Its totient is φ = 219648.

The previous prime is 444641. The next prime is 444649. The reversal of 444644 is 446444.

It can be written as a sum of positive squares in 2 ways, for example, as 131044 + 313600 = 362^2 + 560^2 .

It is not an unprimeable number, because it can be changed into a prime (444641) 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, 269 + ... + 980.

It is an arithmetic number, because the mean of its divisors is an integer number (65625).

2⁴⁴⁴⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

444644 is a deficient number, since it is larger than the sum of its proper divisors (342856).

444644 is a wasteful number, since it uses less digits than its factorization.

444644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1340 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 444644 is about 666.8163165370. The cubic root of 444644 is about 76.3257028322.

The spelling of 444644 in words is "four hundred forty-four thousand, six hundred forty-four".