444928 has 40 divisors (see below), whose sum is σ = 982080. Its totient is φ = 199680.

The previous prime is 444901. The next prime is 444929. The reversal of 444928 is 829444.

It is a self number, because there is not a number n which added to its sum of digits gives 444928.

It is not an unprimeable number, because it can be changed into a prime (444929) 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, 5593 + ... + 5671.

It is an arithmetic number, because the mean of its divisors is an integer number (24552).

2⁴⁴⁴⁹²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491040).

444928 is an abundant number, since it is smaller than the sum of its proper divisors (537152).

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

444928 is an equidigital number, since it uses as much as digits as its factorization.

444928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 92 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 444928 is about 667.0292347416. The cubic root of 444928 is about 76.3419494521.

The spelling of 444928 in words is "four hundred forty-four thousand, nine hundred twenty-eight".