9126389 has 2 divisors, whose sum is σ = 9126390. Its totient is φ = 9126388.

The previous prime is 9126379. The next prime is 9126401. The reversal of 9126389 is 9836219.

9126389 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., 6980164 + 2146225 = 2642^2 + 1465^2 .

It is an emirp because it is prime and its reverse (9836219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9126389 - 2⁸ = 9126133 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 (9126349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4563194 + 4563195.

It is an arithmetic number, because the mean of its divisors is an integer number (4563195).

Almost surely, 2^9126389 is an apocalyptic number.

It is an amenable number.

9126389 is a deficient number, since it is larger than the sum of its proper divisors (1).

9126389 is an equidigital number, since it uses as much as digits as its factorization.

9126389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 9126389 is about 3020.9913935660. The cubic root of 9126389 is about 208.9775622074.

The spelling of 9126389 in words is "nine million, one hundred twenty-six thousand, three hundred eighty-nine".