6397339 has 4 divisors (see below), whose sum is σ = 6889456. Its totient is φ = 5905224.

The previous prime is 6397331. The next prime is 6397343. The reversal of 6397339 is 9337936.

6397339 = 247² + 248² + ... + 324².

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6397339 - 2³ = 6397331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6397331) 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 in 3 ways as a sum of consecutive naturals, for example, 246039 + ... + 246064.

It is an arithmetic number, because the mean of its divisors is an integer number (1722364).

Almost surely, 2^6397339 is an apocalyptic number.

6397339 is a deficient number, since it is larger than the sum of its proper divisors (492117).

6397339 is a wasteful number, since it uses less digits than its factorization.

6397339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492116.

The product of its digits is 91854, while the sum is 40.

The square root of 6397339 is about 2529.2961471524. The cubic root of 6397339 is about 185.6378179693.

The spelling of 6397339 in words is "six million, three hundred ninety-seven thousand, three hundred thirty-nine".