676589 has 2 divisors, whose sum is σ = 676590. Its totient is φ = 676588.

The previous prime is 676573. The next prime is 676597. The reversal of 676589 is 985676.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550564 + 126025 = 742^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 676589 - 2⁴ = 676573 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 676589.

It is not a weakly prime, because it can be changed into another prime (676289) 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, 338294 + 338295.

It is an arithmetic number, because the mean of its divisors is an integer number (338295).

2⁶⁷⁶⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

676589 is a deficient number, since it is larger than the sum of its proper divisors (1).

676589 is an equidigital number, since it uses as much as digits as its factorization.

676589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 676589 is about 822.5503024132. The cubic root of 676589 is about 87.7893117473.

The spelling of 676589 in words is "six hundred seventy-six thousand, five hundred eighty-nine".