204169 has 4 divisors (see below), whose sum is σ = 233344. Its totient is φ = 174996.

The previous prime is 204163. The next prime is 204173. The reversal of 204169 is 961402.

204169 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204169 - 2³ = 204161 is a prime.

It is a super-2 number, since 2×204169² = 83369961122, which contains 22 as substring.

It is a Duffinian number.

204169 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (204161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14577 + ... + 14590.

It is an arithmetic number, because the mean of its divisors is an integer number (58336).

2²⁰⁴¹⁶⁹ is an apocalyptic number.

It is an amenable number.

204169 is a deficient number, since it is larger than the sum of its proper divisors (29175).

204169 is an equidigital number, since it uses as much as digits as its factorization.

204169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29174.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 204169 is about 451.8506390391. The cubic root of 204169 is about 58.8839046188.

It can be divided in two parts, 204 and 169, that added together give a palindrome (373).

The spelling of 204169 in words is "two hundred four thousand, one hundred sixty-nine".