6684671 has 8 divisors (see below), whose sum is σ = 7670784. Its totient is φ = 5706360.

The previous prime is 6684659. The next prime is 6684673. The reversal of 6684671 is 1764866.

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 6684671 - 2⁶ = 6684607 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 (6684673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26 + ... + 3656.

It is an arithmetic number, because the mean of its divisors is an integer number (958848).

Almost surely, 2^6684671 is an apocalyptic number.

6684671 is a deficient number, since it is larger than the sum of its proper divisors (986113).

6684671 is a wasteful number, since it uses less digits than its factorization.

6684671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901.

The product of its digits is 48384, while the sum is 38.

The square root of 6684671 is about 2585.4730708325. The cubic root of 6684671 is about 188.3764807468.

The spelling of 6684671 in words is "six million, six hundred eighty-four thousand, six hundred seventy-one".