6814397 has 2 divisors, whose sum is σ = 6814398. Its totient is φ = 6814396.

The previous prime is 6814393. The next prime is 6814411. The reversal of 6814397 is 7934186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6280036 + 534361 = 2506^2 + 731^2 .

It is a cyclic number.

It is not a de Polignac number, because 6814397 - 2² = 6814393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6814397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6814393) 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, 3407198 + 3407199.

It is an arithmetic number, because the mean of its divisors is an integer number (3407199).

Almost surely, 2^6814397 is an apocalyptic number.

It is an amenable number.

6814397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6814397 is an equidigital number, since it uses as much as digits as its factorization.

6814397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 6814397 is about 2610.4400012258. The cubic root of 6814397 is about 189.5872573139.

The spelling of 6814397 in words is "six million, eight hundred fourteen thousand, three hundred ninety-seven".