6684893 has 8 divisors (see below), whose sum is σ = 7122168. Its totient is φ = 6252544.

The previous prime is 6684869. The next prime is 6684907. The reversal of 6684893 is 3984866.

It can be written as a sum of positive squares in 4 ways, for example, as 4761124 + 1923769 = 2182^2 + 1387^2 .

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 6684893 - 2¹² = 6680797 is a prime.

It is a Duffinian number.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684833) 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, 1805 + ... + 4077.

It is an arithmetic number, because the mean of its divisors is an integer number (890271).

Almost surely, 2^6684893 is an apocalyptic number.

It is an amenable number.

6684893 is a deficient number, since it is larger than the sum of its proper divisors (437275).

6684893 is a wasteful number, since it uses less digits than its factorization.

6684893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463.

The product of its digits is 248832, while the sum is 44.

The square root of 6684893 is about 2585.5160026579. The cubic root of 6684893 is about 188.3785660709.

The spelling of 6684893 in words is "six million, six hundred eighty-four thousand, eight hundred ninety-three".