6758989 has 2 divisors, whose sum is σ = 6758990. Its totient is φ = 6758988.

The previous prime is 6758977. The next prime is 6759017. The reversal of 6758989 is 9898576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 24964 = 2595^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 6758989 - 2⁵ = 6758957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6758909) 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 as a sum of consecutive naturals, namely, 3379494 + 3379495.

It is an arithmetic number, because the mean of its divisors is an integer number (3379495).

Almost surely, 2^6758989 is an apocalyptic number.

It is an amenable number.

6758989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6758989 is an equidigital number, since it uses as much as digits as its factorization.

6758989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 52.

The square root of 6758989 is about 2599.8055696532. The cubic root of 6758989 is about 189.0720123484.

The spelling of 6758989 in words is "six million, seven hundred fifty-eight thousand, nine hundred eighty-nine".