6684271 has 8 divisors (see below), whose sum is σ = 7470288. Its totient is φ = 5928000.

The previous prime is 6684259. The next prime is 6684277. The reversal of 6684271 is 1724866.

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

It is a cyclic number.

It is not a de Polignac number, because 6684271 - 2⁹ = 6683759 is a prime.

It is a super-3 number, since 3×6684271³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

6684271 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6960 + ... + 7861.

It is an arithmetic number, because the mean of its divisors is an integer number (933786).

Almost surely, 2^6684271 is an apocalyptic number.

6684271 is a deficient number, since it is larger than the sum of its proper divisors (786017).

6684271 is a wasteful number, since it uses less digits than its factorization.

6684271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14873.

The product of its digits is 16128, while the sum is 34.

The square root of 6684271 is about 2585.3957143927. The cubic root of 6684271 is about 188.3727232896.

The spelling of 6684271 in words is "six million, six hundred eighty-four thousand, two hundred seventy-one".