444728 has 16 divisors (see below), whose sum is σ = 870480. Its totient is φ = 212608.

The previous prime is 444713. The next prime is 444739. The reversal of 444728 is 827444.

It is a self number, because there is not a number n which added to its sum of digits gives 444728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025 + ... + 1392.

It is an arithmetic number, because the mean of its divisors is an integer number (54405).

2⁴⁴⁴⁷²⁸ is an apocalyptic number.

It is an amenable number.

444728 is a deficient number, since it is larger than the sum of its proper divisors (425752).

444728 is a wasteful number, since it uses less digits than its factorization.

444728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2442 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 444728 is about 666.8792994238. The cubic root of 444728 is about 76.3305088908.

The spelling of 444728 in words is "four hundred forty-four thousand, seven hundred twenty-eight".