204849205 has 32 divisors (see below), whose sum is σ = 281939328. Its totient is φ = 141523200.

The previous prime is 204849199. The next prime is 204849251. The reversal of 204849205 is 502948402.

It is not a de Polignac number, because 204849205 - 2¹¹ = 204847157 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86335 + ... + 88675.

It is an arithmetic number, because the mean of its divisors is an integer number (8810604).

Almost surely, 2^204849205 is an apocalyptic number.

It is an amenable number.

204849205 is a deficient number, since it is larger than the sum of its proper divisors (77090123).

204849205 is a wasteful number, since it uses less digits than its factorization.

204849205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 204849205 is about 14312.5541047012. The cubic root of 204849205 is about 589.4922424529.

The spelling of 204849205 in words is "two hundred four million, eight hundred forty-nine thousand, two hundred five".