6628806 has 24 divisors (see below), whose sum is σ = 14493960. Its totient is φ = 2189376.

The previous prime is 6628781. The next prime is 6628813. The reversal of 6628806 is 6088266.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (603915).

Almost surely, 2^6628806 is an apocalyptic number.

6628806 is an abundant number, since it is smaller than the sum of its proper divisors (7865154).

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

6628806 is a wasteful number, since it uses less digits than its factorization.

6628806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380 (or 3377 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 6628806 is about 2574.6467718893. The cubic root of 6628806 is about 187.8502466714.

The spelling of 6628806 in words is "six million, six hundred twenty-eight thousand, eight hundred six".