204368685 has 32 divisors (see below), whose sum is σ = 343554048. Its totient is φ = 103540800.

The previous prime is 204368677. The next prime is 204368687. The reversal of 204368685 is 586863402.

It is not a de Polignac number, because 204368685 - 2³ = 204368677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204368687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50134 + ... + 54056.

It is an arithmetic number, because the mean of its divisors is an integer number (10736064).

Almost surely, 2^204368685 is an apocalyptic number.

It is an amenable number.

204368685 is a deficient number, since it is larger than the sum of its proper divisors (139185363).

204368685 is a wasteful number, since it uses less digits than its factorization.

204368685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 204368685 is about 14295.7575874803. The cubic root of 204368685 is about 589.0309525868.

The spelling of 204368685 in words is "two hundred four million, three hundred sixty-eight thousand, six hundred eighty-five".