8068689 has 6 divisors (see below), whose sum is σ = 11654786. Its totient is φ = 5379120.

The previous prime is 8068681. The next prime is 8068703. The reversal of 8068689 is 9868608.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 3968064 = 2025^2 + 1992^2 .

It is not a de Polignac number, because 8068689 - 2³ = 8068681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8068681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448252 + ... + 448269.

Almost surely, 2^8068689 is an apocalyptic number.

It is an amenable number.

8068689 is a deficient number, since it is larger than the sum of its proper divisors (3586097).

8068689 is a wasteful number, since it uses less digits than its factorization.

8068689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896527 (or 896524 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 8068689 is about 2840.5437859678. The cubic root of 8068689 is about 200.5707778470.

The spelling of 8068689 in words is "eight million, sixty-eight thousand, six hundred eighty-nine".