204108605 has 8 divisors (see below), whose sum is σ = 245105664. Its totient is φ = 163170000.

The previous prime is 204108563. The next prime is 204108607. The reversal of 204108605 is 506801402.

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

It is not a de Polignac number, because 204108605 - 2¹⁴ = 204092221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204108607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6521 + ... + 21230.

It is an arithmetic number, because the mean of its divisors is an integer number (30638208).

Almost surely, 2^204108605 is an apocalyptic number.

It is an amenable number.

204108605 is a deficient number, since it is larger than the sum of its proper divisors (40997059).

204108605 is a wasteful number, since it uses less digits than its factorization.

204108605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29227.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 204108605 is about 14286.6582866673. The cubic root of 204108605 is about 588.7809791925.

The spelling of 204108605 in words is "two hundred four million, one hundred eight thousand, six hundred five".