6397946 has 16 divisors (see below), whose sum is σ = 10208160. Its totient is φ = 2998800.

The previous prime is 6397921. The next prime is 6397949. The reversal of 6397946 is 6497936.

It is a junction number, because it is equal to n+sod(n) for n = 6397897 and 6397906.

It is not an unprimeable number, because it can be changed into a prime (6397949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3005 + ... + 4671.

It is an arithmetic number, because the mean of its divisors is an integer number (638010).

Almost surely, 2^6397946 is an apocalyptic number.

6397946 is a deficient number, since it is larger than the sum of its proper divisors (3810214).

6397946 is a wasteful number, since it uses less digits than its factorization.

6397946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789.

The product of its digits is 244944, while the sum is 44.

The square root of 6397946 is about 2529.4161381631. The cubic root of 6397946 is about 185.6436890871.

The spelling of 6397946 in words is "six million, three hundred ninety-seven thousand, nine hundred forty-six".