6397317 has 6 divisors (see below), whose sum is σ = 9240582. Its totient is φ = 4264872.

The previous prime is 6397301. The next prime is 6397327. The reversal of 6397317 is 7137936.

6397317 is a `hidden beast` number, since 639 + 7 + 3 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6380676 + 16641 = 2526^2 + 129^2 .

It is not a de Polignac number, because 6397317 - 2⁴ = 6397301 is a prime.

6397317 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397327) 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 in 5 ways as a sum of consecutive naturals, for example, 355398 + ... + 355415.

It is an arithmetic number, because the mean of its divisors is an integer number (1540097).

Almost surely, 2^6397317 is an apocalyptic number.

It is an amenable number.

6397317 is a deficient number, since it is larger than the sum of its proper divisors (2843265).

6397317 is a wasteful number, since it uses less digits than its factorization.

6397317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710819 (or 710816 counting only the distinct ones).

The product of its digits is 23814, while the sum is 36.

The square root of 6397317 is about 2529.2917981127. The cubic root of 6397317 is about 185.6376051706.

The spelling of 6397317 in words is "six million, three hundred ninety-seven thousand, three hundred seventeen".