204935 has 8 divisors (see below), whose sum is σ = 260496. Its totient is φ = 154240.

The previous prime is 204931. The next prime is 204947. The reversal of 204935 is 539402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204935 - 2² = 204931 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121 + ... + 1290.

It is an arithmetic number, because the mean of its divisors is an integer number (32562).

2²⁰⁴⁹³⁵ is an apocalyptic number.

204935 is a deficient number, since it is larger than the sum of its proper divisors (55561).

204935 is a wasteful number, since it uses less digits than its factorization.

204935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 204935 is about 452.6974707241. The cubic root of 204935 is about 58.9574528067.

The spelling of 204935 in words is "two hundred four thousand, nine hundred thirty-five".