6688852 has 18 divisors (see below), whose sum is σ = 11975642. Its totient is φ = 3268944.

The previous prime is 6688849. The next prime is 6688853. The reversal of 6688852 is 2588866.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5973136 + 715716 = 2444^2 + 846^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6688799 and 6688808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6688853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8458 + ... + 9214.

Almost surely, 2^6688852 is an apocalyptic number.

It is an amenable number.

6688852 is a deficient number, since it is larger than the sum of its proper divisors (5286790).

6688852 is a wasteful number, since it uses less digits than its factorization.

6688852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 806 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 6688852 is about 2586.2815005331. The cubic root of 6688852 is about 188.4157465994.

The spelling of 6688852 in words is "six million, six hundred eighty-eight thousand, eight hundred fifty-two".