676493 has 2 divisors, whose sum is σ = 676494. Its totient is φ = 676492.

The previous prime is 676469. The next prime is 676523. The reversal of 676493 is 394676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644809 + 31684 = 803^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 676493 - 2¹⁶ = 610957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338246 + 338247.

It is an arithmetic number, because the mean of its divisors is an integer number (338247).

2⁶⁷⁶⁴⁹³ is an apocalyptic number.

It is an amenable number.

676493 is a deficient number, since it is larger than the sum of its proper divisors (1).

676493 is an equidigital number, since it uses as much as digits as its factorization.

676493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 676493 is about 822.4919452493. The cubic root of 676493 is about 87.7851594616.

The spelling of 676493 in words is "six hundred seventy-six thousand, four hundred ninety-three".