204106 has 16 divisors (see below), whose sum is σ = 357120. Its totient is φ = 85680.

The previous prime is 204101. The next prime is 204107. The reversal of 204106 is 601402.

204106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204101) by changing a digit.

204106 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735 + ... + 973.

It is an arithmetic number, because the mean of its divisors is an integer number (22320).

2²⁰⁴¹⁰⁶ is an apocalyptic number.

204106 is a deficient number, since it is larger than the sum of its proper divisors (153014).

204106 is a wasteful number, since it uses less digits than its factorization.

204106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 204106 is about 451.7809203585. The cubic root of 204106 is about 58.8778474348.

Adding to 204106 its reverse (601402), we get a palindrome (805508).

The spelling of 204106 in words is "two hundred four thousand, one hundred six".