6568989 has 12 divisors (see below), whose sum is σ = 10188864. Its totient is φ = 3753624.

The previous prime is 6568973. The next prime is 6568999. The reversal of 6568989 is 9898656.

6568989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6568989 - 2⁴ = 6568973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6568909) 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 11 ways as a sum of consecutive naturals, for example, 22197 + ... + 22490.

It is an arithmetic number, because the mean of its divisors is an integer number (849072).

Almost surely, 2^6568989 is an apocalyptic number.

It is an amenable number.

6568989 is a deficient number, since it is larger than the sum of its proper divisors (3619875).

6568989 is a wasteful number, since it uses less digits than its factorization.

6568989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44704 (or 44697 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The square root of 6568989 is about 2563.0039016748. The cubic root of 6568989 is about 187.2834976610.

It can be divided in two parts, 6568 and 989, that added together give a palindrome (7557).

The spelling of 6568989 in words is "six million, five hundred sixty-eight thousand, nine hundred eighty-nine".