8689273 has 2 divisors, whose sum is σ = 8689274. Its totient is φ = 8689272.

The previous prime is 8689259. The next prime is 8689279. The reversal of 8689273 is 3729868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7463824 + 1225449 = 2732^2 + 1107^2 .

It is a cyclic number.

It is not a de Polignac number, because 8689273 - 2²¹ = 6592121 is a prime.

It is not a weakly prime, because it can be changed into another prime (8689279) 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, 4344636 + 4344637.

It is an arithmetic number, because the mean of its divisors is an integer number (4344637).

Almost surely, 2^8689273 is an apocalyptic number.

It is an amenable number.

8689273 is a deficient number, since it is larger than the sum of its proper divisors (1).

8689273 is an equidigital number, since it uses as much as digits as its factorization.

8689273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 8689273 is about 2947.7572830883. The cubic root of 8689273 is about 205.5864468575.

The spelling of 8689273 in words is "eight million, six hundred eighty-nine thousand, two hundred seventy-three".