204194 has 12 divisors (see below), whose sum is σ = 321846. Its totient is φ = 97152.

The previous prime is 204173. The next prime is 204233. The reversal of 204194 is 491402.

204194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 190969 + 13225 = 437^2 + 115^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2¹⁷ + 0 + 1 + 4⁵ + 9⁴ + 4⁸ .

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 in 5 ways as a sum of consecutive naturals, for example, 962 + ... + 1154.

2²⁰⁴¹⁹⁴ is an apocalyptic number.

204194 is a deficient number, since it is larger than the sum of its proper divisors (117652).

204194 is a wasteful number, since it uses less digits than its factorization.

204194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 204194 is about 451.8783022009. The cubic root of 204194 is about 58.8863079179.

Adding to 204194 its reverse (491402), we get a palindrome (695596).

The spelling of 204194 in words is "two hundred four thousand, one hundred ninety-four".