6630886 has 16 divisors (see below), whose sum is σ = 10532160. Its totient is φ = 3122280.

The previous prime is 6630859. The next prime is 6630887. The reversal of 6630886 is 6880366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630887) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7605 + ... + 8431.

It is an arithmetic number, because the mean of its divisors is an integer number (658260).

Almost surely, 2^6630886 is an apocalyptic number.

6630886 is a deficient number, since it is larger than the sum of its proper divisors (3901274).

6630886 is a wasteful number, since it uses less digits than its factorization.

6630886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 6630886 is about 2575.0506791129. The cubic root of 6630886 is about 187.8698926253.

The spelling of 6630886 in words is "six million, six hundred thirty thousand, eight hundred eighty-six".