3566659 has 2 divisors, whose sum is σ = 3566660. Its totient is φ = 3566658.

The previous prime is 3566599. The next prime is 3566669. The reversal of 3566659 is 9566653.

3566659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3566659 is a prime.

It is not a weakly prime, because it can be changed into another prime (3566669) 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, 1783329 + 1783330.

It is an arithmetic number, because the mean of its divisors is an integer number (1783330).

Almost surely, 2^3566659 is an apocalyptic number.

3566659 is a deficient number, since it is larger than the sum of its proper divisors (1).

3566659 is an equidigital number, since it uses as much as digits as its factorization.

3566659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 40.

The square root of 3566659 is about 1888.5600334647. The cubic root of 3566659 is about 152.7872789634.

It can be divided in two parts, 3566 and 659, that added together give a square (4225 = 65²).

The spelling of 3566659 in words is "three million, five hundred sixty-six thousand, six hundred fifty-nine".