6368449 has 2 divisors, whose sum is σ = 6368450. Its totient is φ = 6368448.

The previous prime is 6368443. The next prime is 6368459. The reversal of 6368449 is 9448636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5382400 + 986049 = 2320^2 + 993^2 .

It is a cyclic number.

It is not a de Polignac number, because 6368449 - 2³ = 6368441 is a prime.

It is a Chen prime.

6368449 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6368441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3184224 + 3184225.

It is an arithmetic number, because the mean of its divisors is an integer number (3184225).

Almost surely, 2^6368449 is an apocalyptic number.

It is an amenable number.

6368449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6368449 is an equidigital number, since it uses as much as digits as its factorization.

6368449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 6368449 is about 2523.5786098317. The cubic root of 6368449 is about 185.3579531699.

The spelling of 6368449 in words is "six million, three hundred sixty-eight thousand, four hundred forty-nine".