6663344 has 10 divisors (see below), whose sum is σ = 12910260. Its totient is φ = 3331664.

The previous prime is 6663329. The next prime is 6663347. The reversal of 6663344 is 4433666.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6663344.

It is not an unprimeable number, because it can be changed into a prime (6663347) 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 as a sum of consecutive naturals, namely, 208214 + ... + 208245.

It is an arithmetic number, because the mean of its divisors is an integer number (1291026).

Almost surely, 2^6663344 is an apocalyptic number.

It is an amenable number.

6663344 is a deficient number, since it is larger than the sum of its proper divisors (6246916).

6663344 is a wasteful number, since it uses less digits than its factorization.

6663344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416467 (or 416461 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 6663344 is about 2581.3453856468. The cubic root of 6663344 is about 188.1759330897.

It can be divided in two parts, 6663 and 344, that added together give a palindrome (7007).

The spelling of 6663344 in words is "six million, six hundred sixty-three thousand, three hundred forty-four".