4446728 has 64 divisors (see below), whose sum is σ = 10281600. Its totient is φ = 1784640.

The previous prime is 4446721. The next prime is 4446731. The reversal of 4446728 is 8276444.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4446721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193325 + ... + 193347.

It is an arithmetic number, because the mean of its divisors is an integer number (160650).

Almost surely, 2^4446728 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 4446728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5140800).

4446728 is an abundant number, since it is smaller than the sum of its proper divisors (5834872).

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

4446728 is a wasteful number, since it uses less digits than its factorization.

4446728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 49 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 4446728 is about 2108.7266299831. The cubic root of 4446728 is about 164.4422921289.

The spelling of 4446728 in words is "four million, four hundred forty-six thousand, seven hundred twenty-eight".