204435234 has 24 divisors (see below), whose sum is σ = 468999180. Its totient is φ = 64136448.

The previous prime is 204435229. The next prime is 204435241. The reversal of 204435234 is 432534402.

204435234 is a `hidden beast` number, since 204 + 435 + 23 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 204347025 + 88209 = 14295^2 + 297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204435198 and 204435207.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333739 + ... + 334350.

Almost surely, 2^204435234 is an apocalyptic number.

204435234 is an abundant number, since it is smaller than the sum of its proper divisors (264563946).

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

204435234 is a wasteful number, since it uses less digits than its factorization.

204435234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668114 (or 668111 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 204435234 is about 14298.0849766673. The cubic root of 204435234 is about 589.0948814396.

Adding to 204435234 its reverse (432534402), we get a palindrome (636969636).

The spelling of 204435234 in words is "two hundred four million, four hundred thirty-five thousand, two hundred thirty-four".