444039 has 4 divisors (see below), whose sum is σ = 592056. Its totient is φ = 296024.

The previous prime is 444029. The next prime is 444043. The reversal of 444039 is 930444.

444039 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444039 - 2⁵ = 444007 is a prime.

It is a D-number.

444039 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444029) 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, 74004 + ... + 74009.

It is an arithmetic number, because the mean of its divisors is an integer number (148014).

2⁴⁴⁴⁰³⁹ is an apocalyptic number.

444039 is a deficient number, since it is larger than the sum of its proper divisors (148017).

444039 is a wasteful number, since it uses less digits than its factorization.

444039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148016.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 444039 is about 666.3625139517. The cubic root of 444039 is about 76.2910698753.

The spelling of 444039 in words is "four hundred forty-four thousand, thirty-nine".