204086 has 4 divisors (see below), whose sum is σ = 306132. Its totient is φ = 102042.

The previous prime is 204067. The next prime is 204101. The reversal of 204086 is 680402.

204086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680402 = 2 ⋅340201.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51020 + ... + 51023.

It is an arithmetic number, because the mean of its divisors is an integer number (76533).

2²⁰⁴⁰⁸⁶ is an apocalyptic number.

204086 is a deficient number, since it is larger than the sum of its proper divisors (102046).

204086 is a wasteful number, since it uses less digits than its factorization.

204086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102045.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 204086 is about 451.7587851940. The cubic root of 204086 is about 58.8759242586.

Adding to 204086 its reverse (680402), we get a palindrome (884488).

The spelling of 204086 in words is "two hundred four thousand, eighty-six".