4428289 has 2 divisors, whose sum is σ = 4428290. Its totient is φ = 4428288.

The previous prime is 4428283. The next prime is 4428301. The reversal of 4428289 is 9828244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4068289 + 360000 = 2017^2 + 600^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428289 - 2⁷ = 4428161 is a prime.

It is not a weakly prime, because it can be changed into another prime (4428283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214144 + 2214145.

It is an arithmetic number, because the mean of its divisors is an integer number (2214145).

Almost surely, 2^4428289 is an apocalyptic number.

It is an amenable number.

4428289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428289 is an equidigital number, since it uses as much as digits as its factorization.

4428289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 37.

The square root of 4428289 is about 2104.3500184142. The cubic root of 4428289 is about 164.2146826603.

The spelling of 4428289 in words is "four million, four hundred twenty-eight thousand, two hundred eighty-nine".