6668823 has 8 divisors (see below), whose sum is σ = 10162048. Its totient is φ = 3810744.

The previous prime is 6668821. The next prime is 6668833. The reversal of 6668823 is 3288666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6668823 - 2¹ = 6668821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668821) 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 in 7 ways as a sum of consecutive naturals, for example, 158761 + ... + 158802.

It is an arithmetic number, because the mean of its divisors is an integer number (1270256).

Almost surely, 2^6668823 is an apocalyptic number.

6668823 is a deficient number, since it is larger than the sum of its proper divisors (3493225).

6668823 is a wasteful number, since it uses less digits than its factorization.

6668823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317573.

The product of its digits is 82944, while the sum is 39.

The square root of 6668823 is about 2582.4064358656. The cubic root of 6668823 is about 188.2274954624.

The spelling of 6668823 in words is "six million, six hundred sixty-eight thousand, eight hundred twenty-three".