3565873 has 4 divisors (see below), whose sum is σ = 3569728. Its totient is φ = 3562020.

The previous prime is 3565871. The next prime is 3565879. The reversal of 3565873 is 3785653.

3565873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3785653 = 41 ⋅92333.

It is a cyclic number.

It is not a de Polignac number, because 3565873 - 2¹ = 3565871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3565871) 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 3 ways as a sum of consecutive naturals, for example, 388 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (892432).

Almost surely, 2^3565873 is an apocalyptic number.

It is an amenable number.

3565873 is a deficient number, since it is larger than the sum of its proper divisors (3855).

3565873 is a wasteful number, since it uses less digits than its factorization.

3565873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854.

The product of its digits is 75600, while the sum is 37.

The square root of 3565873 is about 1888.3519269458. The cubic root of 3565873 is about 152.7760546754.

It can be divided in two parts, 356587 and 3, that added together give a triangular number (356590 = T₈₄₄).

The spelling of 3565873 in words is "three million, five hundred sixty-five thousand, eight hundred seventy-three".