6396446 has 16 divisors (see below), whose sum is σ = 11036544. Its totient is φ = 2723544.

The previous prime is 6396433. The next prime is 6396463. The reversal of 6396446 is 6446936.

It is a happy number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 881 + ... + 3683.

It is an arithmetic number, because the mean of its divisors is an integer number (689784).

Almost surely, 2^6396446 is an apocalyptic number.

6396446 is a deficient number, since it is larger than the sum of its proper divisors (4640098).

6396446 is a wasteful number, since it uses less digits than its factorization.

6396446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975.

The product of its digits is 93312, while the sum is 38.

The square root of 6396446 is about 2529.1196096666. The cubic root of 6396446 is about 185.6291798837.

The spelling of 6396446 in words is "six million, three hundred ninety-six thousand, four hundred forty-six".