6396349 has 2 divisors, whose sum is σ = 6396350. Its totient is φ = 6396348.

The previous prime is 6396347. The next prime is 6396361. The reversal of 6396349 is 9436936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6200100 + 196249 = 2490^2 + 443^2 .

It is a cyclic number.

It is not a de Polignac number, because 6396349 - 2¹ = 6396347 is a prime.

Together with 6396347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6396347) 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, 3198174 + 3198175.

It is an arithmetic number, because the mean of its divisors is an integer number (3198175).

Almost surely, 2^6396349 is an apocalyptic number.

It is an amenable number.

6396349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6396349 is an equidigital number, since it uses as much as digits as its factorization.

6396349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 40.

The square root of 6396349 is about 2529.1004329603. The cubic root of 6396349 is about 185.6282415438.

The spelling of 6396349 in words is "six million, three hundred ninety-six thousand, three hundred forty-nine".