6828989 has 2 divisors, whose sum is σ = 6828990. Its totient is φ = 6828988.

The previous prime is 6828973. The next prime is 6829033. The reversal of 6828989 is 9898286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3880900 + 2948089 = 1970^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 6828989 - 2⁴ = 6828973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6828089) 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 as a sum of consecutive naturals, namely, 3414494 + 3414495.

It is an arithmetic number, because the mean of its divisors is an integer number (3414495).

Almost surely, 2^6828989 is an apocalyptic number.

It is an amenable number.

6828989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6828989 is an equidigital number, since it uses as much as digits as its factorization.

6828989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 50.

The square root of 6828989 is about 2613.2334377166. The cubic root of 6828989 is about 189.7224849774.

The spelling of 6828989 in words is "six million, eight hundred twenty-eight thousand, nine hundred eighty-nine".