204955671 has 8 divisors (see below), whose sum is σ = 275693040. Its totient is φ = 135427712.

The previous prime is 204955661. The next prime is 204955693. The reversal of 204955671 is 176559402.

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

It is a cyclic number.

It is not a de Polignac number, because 204955671 - 2¹⁰ = 204954647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204955651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301956 + ... + 302633.

It is an arithmetic number, because the mean of its divisors is an integer number (34461630).

Almost surely, 2^204955671 is an apocalyptic number.

204955671 is a deficient number, since it is larger than the sum of its proper divisors (70737369).

204955671 is a wasteful number, since it uses less digits than its factorization.

204955671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604705.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 204955671 is about 14316.2729437518. The cubic root of 204955671 is about 589.5943501005.

The spelling of 204955671 in words is "two hundred four million, nine hundred fifty-five thousand, six hundred seventy-one".