8689673 has 2 divisors, whose sum is σ = 8689674. Its totient is φ = 8689672.

The previous prime is 8689661. The next prime is 8689687. The reversal of 8689673 is 3769868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7441984 + 1247689 = 2728^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 8689673 - 2⁴ = 8689657 is a prime.

It is not a weakly prime, because it can be changed into another prime (8689643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4344836 + 4344837.

It is an arithmetic number, because the mean of its divisors is an integer number (4344837).

Almost surely, 2^8689673 is an apocalyptic number.

It is an amenable number.

8689673 is a deficient number, since it is larger than the sum of its proper divisors (1).

8689673 is an equidigital number, since it uses as much as digits as its factorization.

8689673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 8689673 is about 2947.8251304988. The cubic root of 8689673 is about 205.5896014489.

The spelling of 8689673 in words is "eight million, six hundred eighty-nine thousand, six hundred seventy-three".