204789268 has 12 divisors (see below), whose sum is σ = 359869972. Its totient is φ = 101969280.

The previous prime is 204789257. The next prime is 204789281. The reversal of 204789268 is 862987402.

It can be written as a sum of positive squares in 2 ways, for example, as 147816964 + 56972304 = 12158^2 + 7548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105255 + ... + 107182.

Almost surely, 2^204789268 is an apocalyptic number.

It is an amenable number.

204789268 is a deficient number, since it is larger than the sum of its proper divisors (155080704).

204789268 is a wasteful number, since it uses less digits than its factorization.

204789268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212682 (or 212680 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 204789268 is about 14310.4600904373. The cubic root of 204789268 is about 589.4347435021.

The spelling of 204789268 in words is "two hundred four million, seven hundred eighty-nine thousand, two hundred sixty-eight".