6808660 has 24 divisors (see below), whose sum is σ = 14361480. Its totient is φ = 2711424.

The previous prime is 6808657. The next prime is 6808699. The reversal of 6808660 is 668086.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1444804 + 5363856 = 1202^2 + 2316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4926 + ... + 6154.

It is an arithmetic number, because the mean of its divisors is an integer number (598395).

Almost surely, 2^6808660 is an apocalyptic number.

It is an amenable number.

6808660 is an abundant number, since it is smaller than the sum of its proper divisors (7552820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6808660 is a wasteful number, since it uses less digits than its factorization.

6808660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 6808660 is about 2609.3409129510. The cubic root of 6808660 is about 189.5340382509.

The spelling of 6808660 in words is "six million, eight hundred eight thousand, six hundred sixty".