6668344 has 16 divisors (see below), whose sum is σ = 13047120. Its totient is φ = 3189120.

The previous prime is 6668341. The next prime is 6668351. The reversal of 6668344 is 4438666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17937 + ... + 18304.

It is an arithmetic number, because the mean of its divisors is an integer number (815445).

Almost surely, 2^6668344 is an apocalyptic number.

It is an amenable number.

6668344 is a deficient number, since it is larger than the sum of its proper divisors (6378776).

6668344 is a wasteful number, since it uses less digits than its factorization.

6668344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36270 (or 36266 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 6668344 is about 2582.3136912467. The cubic root of 6668344 is about 188.2229887636. Note that the first 3 decimals are identical.

The spelling of 6668344 in words is "six million, six hundred sixty-eight thousand, three hundred forty-four".