204686272 has 56 divisors (see below), whose sum is σ = 467213696. Its totient is φ = 87153408.

The previous prime is 204686267. The next prime is 204686299. The reversal of 204686272 is 272686402.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71623 + ... + 74425.

Almost surely, 2^204686272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204686272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233606848).

204686272 is an abundant number, since it is smaller than the sum of its proper divisors (262527424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204686272 is a wasteful number, since it uses less digits than its factorization.

204686272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 204686272 is about 14306.8610114169. The cubic root of 204686272 is about 589.3359108469.

The spelling of 204686272 in words is "two hundred four million, six hundred eighty-six thousand, two hundred seventy-two".