204048684 has 72 divisors (see below), whose sum is σ = 595384608. Its totient is φ = 57715200.

The previous prime is 204048683. The next prime is 204048799. The reversal of 204048684 is 486840402.

204048684 is nontrivially palindromic in base 16.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (204048683) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 21444 + ... + 29460.

Almost surely, 2^204048684 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 204048684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297692304).

204048684 is an abundant number, since it is smaller than the sum of its proper divisors (391335924).

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

204048684 is a wasteful number, since it uses less digits than its factorization.

204048684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135 (or 8130 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 204048684 is about 14284.5610363077. The cubic root of 204048684 is about 588.7233566046.

The spelling of 204048684 in words is "two hundred four million, forty-eight thousand, six hundred eighty-four".