204204634 has 16 divisors (see below), whose sum is σ = 309355200. Its totient is φ = 101090080.

The previous prime is 204204619. The next prime is 204204661. The reversal of 204204634 is 436402402.

It is a junction number, because it is equal to n+sod(n) for n = 204204599 and 204204608.

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, 194142 + ... + 195190.

It is an arithmetic number, because the mean of its divisors is an integer number (19334700).

Almost surely, 2^204204634 is an apocalyptic number.

204204634 is a deficient number, since it is larger than the sum of its proper divisors (105150566).

204204634 is a wasteful number, since it uses less digits than its factorization.

204204634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 204204634 is about 14290.0186843825. The cubic root of 204204634 is about 588.8733012580.

The spelling of 204204634 in words is "two hundred four million, two hundred four thousand, six hundred thirty-four".