4428789 has 16 divisors (see below), whose sum is σ = 6424128. Its totient is φ = 2702592.

The previous prime is 4428773. The next prime is 4428817. The reversal of 4428789 is 9878244.

It is not a de Polignac number, because 4428789 - 2⁴ = 4428773 is a prime.

It is a super-2 number, since 2×4428789² = 39228344013042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4428789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (401508).

Almost surely, 2^4428789 is an apocalyptic number.

It is an amenable number.

4428789 is a deficient number, since it is larger than the sum of its proper divisors (1995339).

4428789 is a wasteful number, since it uses less digits than its factorization.

4428789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its digits is 129024, while the sum is 42.

The square root of 4428789 is about 2104.4688165901. The cubic root of 4428789 is about 164.2208629443.

The spelling of 4428789 in words is "four million, four hundred twenty-eight thousand, seven hundred eighty-nine".