444438 has 12 divisors (see below), whose sum is σ = 962988. Its totient is φ = 148140.

The previous prime is 444421. The next prime is 444443. The reversal of 444438 is 834444.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12328 + ... + 12363.

It is an arithmetic number, because the mean of its divisors is an integer number (80249).

2⁴⁴⁴⁴³⁸ is an apocalyptic number.

444438 is an abundant number, since it is smaller than the sum of its proper divisors (518550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444438 is a wasteful number, since it uses less digits than its factorization.

444438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24699 (or 24696 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 444438 is about 666.6618333158. The cubic root of 444438 is about 76.3139139827.

The spelling of 444438 in words is "four hundred forty-four thousand, four hundred thirty-eight".