3805563 has 8 divisors (see below), whose sum is σ = 5143888. Its totient is φ = 2502144.

The previous prime is 3805547. The next prime is 3805573. The reversal of 3805563 is 3655083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3805563 - 2⁴ = 3805547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3805563.

It is not an unprimeable number, because it can be changed into a prime (3805573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8470 + ... + 8907.

It is an arithmetic number, because the mean of its divisors is an integer number (642986).

Almost surely, 2^3805563 is an apocalyptic number.

3805563 is a deficient number, since it is larger than the sum of its proper divisors (1338325).

3805563 is a wasteful number, since it uses less digits than its factorization.

3805563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17453.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 3805563 is about 1950.7852265178. The cubic root of 3805563 is about 156.1251871524.

The spelling of 3805563 in words is "three million, eight hundred five thousand, five hundred sixty-three".