9738389 has 2 divisors, whose sum is σ = 9738390. Its totient is φ = 9738388.

The previous prime is 9738367. The next prime is 9738397. The reversal of 9738389 is 9838379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4972900 + 4765489 = 2230^2 + 2183^2 .

It is an emirp because it is prime and its reverse (9838379) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9738389 - 2⁸ = 9738133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9738329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4869194 + 4869195.

It is an arithmetic number, because the mean of its divisors is an integer number (4869195).

Almost surely, 2^9738389 is an apocalyptic number.

It is an amenable number.

9738389 is a deficient number, since it is larger than the sum of its proper divisors (1).

9738389 is an equidigital number, since it uses as much as digits as its factorization.

9738389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 9738389 is about 3120.6391973440. The cubic root of 9738389 is about 213.5480972542.

The spelling of 9738389 in words is "nine million, seven hundred thirty-eight thousand, three hundred eighty-nine".