204043806 has 16 divisors (see below), whose sum is σ = 453430800. Its totient is φ = 68014584.

The previous prime is 204043783. The next prime is 204043811. The reversal of 204043806 is 608340402.

204043806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 204043806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889241 + ... + 1889348.

It is an arithmetic number, because the mean of its divisors is an integer number (28339425).

Almost surely, 2^204043806 is an apocalyptic number.

204043806 is an abundant number, since it is smaller than the sum of its proper divisors (249386994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204043806 is a wasteful number, since it uses less digits than its factorization.

204043806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778600 (or 3778594 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 204043806 is about 14284.3902915035. The cubic root of 204043806 is about 588.7186652153.

The spelling of 204043806 in words is "two hundred four million, forty-three thousand, eight hundred six".