6684047 has 2 divisors, whose sum is σ = 6684048. Its totient is φ = 6684046.

The previous prime is 6684037. The next prime is 6684059. The reversal of 6684047 is 7404866.

6684047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6684047 - 2¹² = 6679951 is a prime.

It is a Chen prime.

It is equal to p₄₅₆₄₇₉ and since 6684047 and 456479 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 6683998 and 6684016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6684037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3342023 + 3342024.

It is an arithmetic number, because the mean of its divisors is an integer number (3342024).

Almost surely, 2^6684047 is an apocalyptic number.

6684047 is a deficient number, since it is larger than the sum of its proper divisors (1).

6684047 is an equidigital number, since it uses as much as digits as its factorization.

6684047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 6684047 is about 2585.3523937754. The cubic root of 6684047 is about 188.3706190481.

The spelling of 6684047 in words is "six million, six hundred eighty-four thousand, forty-seven".