444939 has 16 divisors (see below), whose sum is σ = 658560. Its totient is φ = 264960.

The previous prime is 444937. The next prime is 444953. The reversal of 444939 is 939444.

It is a happy number.

It is not a de Polignac number, because 444939 - 2¹ = 444937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 444939.

It is not an unprimeable number, because it can be changed into a prime (444937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3132 + ... + 3270.

It is an arithmetic number, because the mean of its divisors is an integer number (41160).

2⁴⁴⁴⁹³⁹ is an apocalyptic number.

444939 is a deficient number, since it is larger than the sum of its proper divisors (213621).

444939 is a wasteful number, since it uses less digits than its factorization.

444939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its digits is 15552, while the sum is 33.

The square root of 444939 is about 667.0374802063. The cubic root of 444939 is about 76.3425785835.

The spelling of 444939 in words is "four hundred forty-four thousand, nine hundred thirty-nine".