3568689 has 12 divisors (see below), whose sum is σ = 5321472. Its totient is φ = 2302200.

The previous prime is 3568679. The next prime is 3568693. The reversal of 3568689 is 9868653.

3568689 is a `hidden beast` number, since 3 + 568 + 6 + 89 = 666.

3568689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3568689 - 2¹⁷ = 3437617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3568679) 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 in 11 ways as a sum of consecutive naturals, for example, 6117 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (443456).

Almost surely, 2^3568689 is an apocalyptic number.

It is an amenable number.

3568689 is a deficient number, since it is larger than the sum of its proper divisors (1752783).

3568689 is a wasteful number, since it uses less digits than its factorization.

3568689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12828 (or 12825 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 3568689 is about 1889.0974035237. The cubic root of 3568689 is about 152.8162602736.

It can be divided in two parts, 356 and 8689, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 3568689 in words is "three million, five hundred sixty-eight thousand, six hundred eighty-nine".