204386930 has 32 divisors (see below), whose sum is σ = 403401600. Its totient is φ = 73941120.

The previous prime is 204386911. The next prime is 204386939. The reversal of 204386930 is 39683402.

It is a happy number.

204386930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204386939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17222 + ... + 26558.

It is an arithmetic number, because the mean of its divisors is an integer number (12606300).

Almost surely, 2^204386930 is an apocalyptic number.

204386930 is a deficient number, since it is larger than the sum of its proper divisors (199014670).

204386930 is a wasteful number, since it uses less digits than its factorization.

204386930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9554.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 204386930 is about 14296.3956996160. The cubic root of 204386930 is about 589.0484806308.

The spelling of 204386930 in words is "two hundred four million, three hundred eighty-six thousand, nine hundred thirty".