6688580 has 12 divisors (see below), whose sum is σ = 14046060. Its totient is φ = 2675424.

The previous prime is 6688579. The next prime is 6688603. The reversal of 6688580 is 858866.

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 5827396 = 928^2 + 2414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167195 + ... + 167234.

It is an arithmetic number, because the mean of its divisors is an integer number (1170505).

Almost surely, 2^6688580 is an apocalyptic number.

It is an amenable number.

6688580 is an abundant number, since it is smaller than the sum of its proper divisors (7357480).

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

6688580 is a wasteful number, since it uses less digits than its factorization.

6688580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334438 (or 334436 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 6688580 is about 2586.2289148488. The cubic root of 6688580 is about 188.4131926097.

The spelling of 6688580 in words is "six million, six hundred eighty-eight thousand, five hundred eighty".