9838397 has 2 divisors, whose sum is σ = 9838398. Its totient is φ = 9838396.

The previous prime is 9838379. The next prime is 9838417. The reversal of 9838397 is 7938389.

9838397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (9838379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5112121 + 4726276 = 2261^2 + 2174^2 .

It is a cyclic number.

It is not a de Polignac number, because 9838397 - 2²⁰ = 8789821 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 (9838097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4919198 + 4919199.

It is an arithmetic number, because the mean of its divisors is an integer number (4919199).

Almost surely, 2^9838397 is an apocalyptic number.

It is an amenable number.

9838397 is a deficient number, since it is larger than the sum of its proper divisors (1).

9838397 is an equidigital number, since it uses as much as digits as its factorization.

9838397 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 9838397 is about 3136.6219089970. The cubic root of 9838397 is about 214.2766169894.

The spelling of 9838397 in words is "nine million, eight hundred thirty-eight thousand, three hundred ninety-seven".