444408 has 16 divisors (see below), whose sum is σ = 1111080. Its totient is φ = 148128.

The previous prime is 444403. The next prime is 444421. The reversal of 444408 is 804444.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 18517 = 444408 / (4 + 4 + 4 + 4 + 0 + 8).

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, 9235 + ... + 9282.

2⁴⁴⁴⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

444408 is an abundant number, since it is smaller than the sum of its proper divisors (666672).

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

444408 is a wasteful number, since it uses less digits than its factorization.

444408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18526 (or 18522 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 444408 is about 666.6393327730. The cubic root of 444408 is about 76.3121968561.

The spelling of 444408 in words is "four hundred forty-four thousand, four hundred eight".