3564643 has 2 divisors, whose sum is σ = 3564644. Its totient is φ = 3564642.

The previous prime is 3564629. The next prime is 3564661. The reversal of 3564643 is 3464653.

3564643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3564643 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 5⁷ + 6⁴ + 4⁴ + 6⁷ + 4⁷ + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (3564623) 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, 1782321 + 1782322.

It is an arithmetic number, because the mean of its divisors is an integer number (1782322).

Almost surely, 2^3564643 is an apocalyptic number.

3564643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3564643 is an equidigital number, since it uses as much as digits as its factorization.

3564643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 31.

The square root of 3564643 is about 1888.0262180383. The cubic root of 3564643 is about 152.7584866392.

The spelling of 3564643 in words is "three million, five hundred sixty-four thousand, six hundred forty-three".