3785569 has 2 divisors, whose sum is σ = 3785570. Its totient is φ = 3785568.

The previous prime is 3785549. The next prime is 3785623. The reversal of 3785569 is 9655873.

3785569 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 can be written as a sum of positive squares in only one way, i.e., 2190400 + 1595169 = 1480^2 + 1263^2 .

It is a cyclic number.

It is not a de Polignac number, because 3785569 - 2¹³ = 3777377 is a prime.

It is a super-2 number, since 2×3785569² = 28661065307522, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹¹ + 7⁷ + 8⁷ + 5⁷ + 5⁷ + 6² + 9⁶ .

3785569 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3785539) 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, 1892784 + 1892785.

It is an arithmetic number, because the mean of its divisors is an integer number (1892785).

Almost surely, 2^3785569 is an apocalyptic number.

It is an amenable number.

3785569 is a deficient number, since it is larger than the sum of its proper divisors (1).

3785569 is an equidigital number, since it uses as much as digits as its factorization.

3785569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 3785569 is about 1945.6538746653. The cubic root of 3785569 is about 155.8512855167.

The spelling of 3785569 in words is "three million, seven hundred eighty-five thousand, five hundred sixty-nine".