8358397 has 2 divisors, whose sum is σ = 8358398. Its totient is φ = 8358396.

The previous prime is 8358379. The next prime is 8358419. The reversal of 8358397 is 7938538.

It is a happy number.

Together with previous prime (8358379) 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., 4414201 + 3944196 = 2101^2 + 1986^2 .

It is a cyclic number.

It is not a de Polignac number, because 8358397 - 2¹¹ = 8356349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8358307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4179198 + 4179199.

It is an arithmetic number, because the mean of its divisors is an integer number (4179199).

Almost surely, 2^8358397 is an apocalyptic number.

It is an amenable number.

8358397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8358397 is an equidigital number, since it uses as much as digits as its factorization.

8358397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 8358397 is about 2891.0892410993. The cubic root of 8358397 is about 202.9431194628.

The spelling of 8358397 in words is "eight million, three hundred fifty-eight thousand, three hundred ninety-seven".