204996608 has 80 divisors (see below), whose sum is σ = 452984400. Its totient is φ = 92274688.

The previous prime is 204996607. The next prime is 204996611. The reversal of 204996608 is 806699402.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204996601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8912885 + ... + 8912907.

It is an arithmetic number, because the mean of its divisors is an integer number (5662305).

Almost surely, 2^204996608 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 204996608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226492200).

204996608 is an abundant number, since it is smaller than the sum of its proper divisors (247987792).

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

204996608 is an frugal number, since it uses more digits than its factorization.

204996608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 204996608 is about 14317.7026090082. The cubic root of 204996608 is about 589.6336018682.

The spelling of 204996608 in words is "two hundred four million, nine hundred ninety-six thousand, six hundred eight".