204316084 has 72 divisors (see below), whose sum is σ = 441721728. Its totient is φ = 82272960.

The previous prime is 204316051. The next prime is 204316087. The reversal of 204316084 is 480613402.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204316087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274617 + ... + 275359.

It is an arithmetic number, because the mean of its divisors is an integer number (6135024).

Almost surely, 2^204316084 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 204316084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220860864).

204316084 is an abundant number, since it is smaller than the sum of its proper divisors (237405644).

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

204316084 is a wasteful number, since it uses less digits than its factorization.

204316084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 204316084 is about 14293.9177274812. The cubic root of 204316084 is about 588.9804127569.

Adding to 204316084 its reverse (480613402), we get a palindrome (684929486).

The spelling of 204316084 in words is "two hundred four million, three hundred sixteen thousand, eighty-four".