8844389 has 2 divisors, whose sum is σ = 8844390. Its totient is φ = 8844388.

The previous prime is 8844379. The next prime is 8844401. The reversal of 8844389 is 9834488.

8844389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7656289 + 1188100 = 2767^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 8844389 - 2⁴ = 8844373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8844349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4422194 + 4422195.

It is an arithmetic number, because the mean of its divisors is an integer number (4422195).

Almost surely, 2^8844389 is an apocalyptic number.

It is an amenable number.

8844389 is a deficient number, since it is larger than the sum of its proper divisors (1).

8844389 is an equidigital number, since it uses as much as digits as its factorization.

8844389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 8844389 is about 2973.9517480955. The cubic root of 8844389 is about 206.8025765174.

Subtracting 8844389 from its reverse (9834488), we obtain a palindrome (990099).

The spelling of 8844389 in words is "eight million, eight hundred forty-four thousand, three hundred eighty-nine".