6630789 has 16 divisors (see below), whose sum is σ = 9792000. Its totient is φ = 3957360.

The previous prime is 6630779. The next prime is 6630803. The reversal of 6630789 is 9870366.

It is not a de Polignac number, because 6630789 - 2⁴ = 6630773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630709) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 712 + ... + 3710.

It is an arithmetic number, because the mean of its divisors is an integer number (612000).

Almost surely, 2^6630789 is an apocalyptic number.

It is an amenable number.

6630789 is a deficient number, since it is larger than the sum of its proper divisors (3161211).

6630789 is a wasteful number, since it uses less digits than its factorization.

6630789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6630789 is about 2575.0318444633. The cubic root of 6630789 is about 187.8689765352.

The spelling of 6630789 in words is "six million, six hundred thirty thousand, seven hundred eighty-nine".