6916397 has 2 divisors, whose sum is σ = 6916398. Its totient is φ = 6916396.

The previous prime is 6916387. The next prime is 6916409. The reversal of 6916397 is 7936196.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6482116 + 434281 = 2546^2 + 659^2 .

It is a cyclic number.

It is not a de Polignac number, because 6916397 - 2⁶ = 6916333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6916337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3458198 + 3458199.

It is an arithmetic number, because the mean of its divisors is an integer number (3458199).

Almost surely, 2^6916397 is an apocalyptic number.

It is an amenable number.

6916397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6916397 is an equidigital number, since it uses as much as digits as its factorization.

6916397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 41.

The square root of 6916397 is about 2629.9043708850. The cubic root of 6916397 is about 190.5285100493.

The spelling of 6916397 in words is "six million, nine hundred sixteen thousand, three hundred ninety-seven".