204788604 has 96 divisors (see below), whose sum is σ = 523837440. Its totient is φ = 62092800.

The previous prime is 204788567. The next prime is 204788609. The reversal of 204788604 is 406887402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204788609) 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, 442077 + ... + 442539.

It is an arithmetic number, because the mean of its divisors is an integer number (5456640).

Almost surely, 2^204788604 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 204788604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261918720).

204788604 is an abundant number, since it is smaller than the sum of its proper divisors (319048836).

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

204788604 is a wasteful number, since it uses less digits than its factorization.

204788604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 204788604 is about 14310.4368906054. The cubic root of 204788604 is about 589.4341064487.

The spelling of 204788604 in words is "two hundred four million, seven hundred eighty-eight thousand, six hundred four".