444404 has 12 divisors (see below), whose sum is σ = 782628. Its totient is φ = 220800.

The previous prime is 444403. The next prime is 444421. The reversal of 444404 is 404444.

It can be written as a sum of positive squares in 2 ways, for example, as 240100 + 204304 = 490^2 + 452^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444401) 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, 734 + ... + 1194.

It is an arithmetic number, because the mean of its divisors is an integer number (65219).

2⁴⁴⁴⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

444404 is a deficient number, since it is larger than the sum of its proper divisors (338224).

444404 is a wasteful number, since it uses less digits than its factorization.

444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 444404 is about 666.6363326432. The cubic root of 444404 is about 76.3119679001.

Adding to 444404 its reverse (404444), we get a palindrome (848848).

It can be divided in two parts, 44440 and 4, that added together give a palindrome (44444).

The spelling of 444404 in words is "four hundred forty-four thousand, four hundred four", and thus it is an iban number.