8616397 has 2 divisors, whose sum is σ = 8616398. Its totient is φ = 8616396.

The previous prime is 8616379. The next prime is 8616407. The reversal of 8616397 is 7936168.

Together with previous prime (8616379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6625476 + 1990921 = 2574^2 + 1411^2 .

It is a cyclic number.

It is not a de Polignac number, because 8616397 - 2¹⁵ = 8583629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8616337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4308198 + 4308199.

It is an arithmetic number, because the mean of its divisors is an integer number (4308199).

Almost surely, 2^8616397 is an apocalyptic number.

It is an amenable number.

8616397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8616397 is an equidigital number, since it uses as much as digits as its factorization.

8616397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 8616397 is about 2935.3699937146. The cubic root of 8616397 is about 205.0100887361.

The spelling of 8616397 in words is "eight million, six hundred sixteen thousand, three hundred ninety-seven".