6684243 has 4 divisors (see below), whose sum is σ = 8912328. Its totient is φ = 4456160.

The previous prime is 6684233. The next prime is 6684253. The reversal of 6684243 is 3424866.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6684233) and next prime (6684253).

It is a cyclic number.

It is not a de Polignac number, because 6684243 - 2¹² = 6680147 is a prime.

It is a D-number.

6684243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6684203) 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, 1114038 + ... + 1114043.

It is an arithmetic number, because the mean of its divisors is an integer number (2228082).

Almost surely, 2^6684243 is an apocalyptic number.

6684243 is a deficient number, since it is larger than the sum of its proper divisors (2228085).

6684243 is a wasteful number, since it uses less digits than its factorization.

6684243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228084.

The product of its digits is 27648, while the sum is 33.

The square root of 6684243 is about 2585.3902993552. The cubic root of 6684243 is about 188.3724602620.

The spelling of 6684243 in words is "six million, six hundred eighty-four thousand, two hundred forty-three".