6683605 has 8 divisors (see below), whose sum is σ = 8056152. Its totient is φ = 5323008.

The previous prime is 6683581. The next prime is 6683609. The reversal of 6683605 is 5063866.

It can be written as a sum of positive squares in 4 ways, for example, as 221841 + 6461764 = 471^2 + 2542^2 .

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 6683605 - 2⁷ = 6683477 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 (6683609) 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, 1704 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (1007019).

Almost surely, 2^6683605 is an apocalyptic number.

It is an amenable number.

6683605 is a deficient number, since it is larger than the sum of its proper divisors (1372547).

6683605 is a wasteful number, since it uses less digits than its factorization.

6683605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6683605 is about 2585.2669107850. The cubic root of 6683605 is about 188.3664667908.

The spelling of 6683605 in words is "six million, six hundred eighty-three thousand, six hundred five".