4244389 has 2 divisors, whose sum is σ = 4244390. Its totient is φ = 4244388.

The previous prime is 4244377. The next prime is 4244417. The reversal of 4244389 is 9834424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4235364 + 9025 = 2058^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 4244389 - 2²¹ = 2147237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4244329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122194 + 2122195.

It is an arithmetic number, because the mean of its divisors is an integer number (2122195).

Almost surely, 2^4244389 is an apocalyptic number.

It is an amenable number.

4244389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4244389 is an equidigital number, since it uses as much as digits as its factorization.

4244389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 4244389 is about 2060.1914959537. The cubic root of 4244389 is about 161.9092745062.

The spelling of 4244389 in words is "four million, two hundred forty-four thousand, three hundred eighty-nine".