6244389 has 12 divisors (see below), whose sum is σ = 9550476. Its totient is φ = 3917952.

The previous prime is 6244351. The next prime is 6244391. The reversal of 6244389 is 9834426.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5832225 + 412164 = 2415^2 + 642^2 .

It is not a de Polignac number, because 6244389 - 2⁷ = 6244261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6244349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20254 + ... + 20559.

It is an arithmetic number, because the mean of its divisors is an integer number (795873).

Almost surely, 2^6244389 is an apocalyptic number.

It is an amenable number.

6244389 is a deficient number, since it is larger than the sum of its proper divisors (3306087).

6244389 is a wasteful number, since it uses less digits than its factorization.

6244389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40836 (or 40833 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 6244389 is about 2498.8775480203. The cubic root of 6244389 is about 184.1464354928.

The spelling of 6244389 in words is "six million, two hundred forty-four thousand, three hundred eighty-nine".