444339 has 16 divisors (see below), whose sum is σ = 752640. Its totient is φ = 253800.

The previous prime is 444307. The next prime is 444341. The reversal of 444339 is 933444.

It is not a de Polignac number, because 444339 - 2⁵ = 444307 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

444339 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (444349) 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, 987 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (47040).

2⁴⁴⁴³³⁹ is an apocalyptic number.

444339 is a deficient number, since it is larger than the sum of its proper divisors (308301).

444339 is a wasteful number, since it uses less digits than its factorization.

444339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2361 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 444339 is about 666.5875786421. The cubic root of 444339 is about 76.3082471717.

The spelling of 444339 in words is "four hundred forty-four thousand, three hundred thirty-nine".