6606684 has 72 divisors (see below), whose sum is σ = 19813248. Its totient is φ = 1885680.

The previous prime is 6606679. The next prime is 6606731. The reversal of 6606684 is 4866066.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6319 + ... + 7289.

It is an arithmetic number, because the mean of its divisors is an integer number (275184).

Almost surely, 2^6606684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6606684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9906624).

6606684 is an abundant number, since it is smaller than the sum of its proper divisors (13206564).

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

6606684 is a wasteful number, since it uses less digits than its factorization.

6606684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 6606684 is about 2570.3470582783. The cubic root of 6606684 is about 187.6410458724.

The spelling of 6606684 in words is "six million, six hundred six thousand, six hundred eighty-four".