3563806 has 4 divisors (see below), whose sum is σ = 5345712. Its totient is φ = 1781902.

The previous prime is 3563801. The next prime is 3563831. The reversal of 3563806 is 6083653.

3563806 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 an emirpimes, since its reverse is a distinct semiprime: 6083653 = 1163 ⋅5231.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3563801) 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, 890950 + ... + 890953.

It is an arithmetic number, because the mean of its divisors is an integer number (1336428).

Almost surely, 2^3563806 is an apocalyptic number.

3563806 is a deficient number, since it is larger than the sum of its proper divisors (1781906).

3563806 is a wasteful number, since it uses less digits than its factorization.

3563806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781905.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3563806 is about 1887.8045449675. The cubic root of 3563806 is about 152.7465294940.

The spelling of 3563806 in words is "three million, five hundred sixty-three thousand, eight hundred six".