9744389 has 2 divisors, whose sum is σ = 9744390. Its totient is φ = 9744388.

The previous prime is 9744373. The next prime is 9744391. The reversal of 9744389 is 9834479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7317025 + 2427364 = 2705^2 + 1558^2 .

It is a cyclic number.

It is not a de Polignac number, because 9744389 - 2⁴ = 9744373 is a prime.

Together with 9744391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9744089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872194 + 4872195.

It is an arithmetic number, because the mean of its divisors is an integer number (4872195).

Almost surely, 2^9744389 is an apocalyptic number.

It is an amenable number.

9744389 is a deficient number, since it is larger than the sum of its proper divisors (1).

9744389 is an equidigital number, since it uses as much as digits as its factorization.

9744389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 9744389 is about 3121.6003908252. The cubic root of 9744389 is about 213.5919452161.

The spelling of 9744389 in words is "nine million, seven hundred forty-four thousand, three hundred eighty-nine".