8287668 has 18 divisors (see below), whose sum is σ = 20949474. Its totient is φ = 2762544.

The previous prime is 8287607. The next prime is 8287679. The reversal of 8287668 is 8667828.

It can be written as a sum of positive squares in only one way, i.e., 7551504 + 736164 = 2748^2 + 858^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115071 + ... + 115142.

Almost surely, 2^8287668 is an apocalyptic number.

It is an amenable number.

8287668 is an abundant number, since it is smaller than the sum of its proper divisors (12661806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8287668 is a wasteful number, since it uses less digits than its factorization.

8287668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230223 (or 230218 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 8287668 is about 2878.8310127550. The cubic root of 8287668 is about 202.3690602980.

It can be divided in two parts, 82876 and 68, that added together give a square (82944 = 288²).

The spelling of 8287668 in words is "eight million, two hundred eighty-seven thousand, six hundred sixty-eight".