204839196 has 96 divisors (see below), whose sum is σ = 522547200. Its totient is φ = 62261760.

The previous prime is 204839191. The next prime is 204839203. The reversal of 204839196 is 691938402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204839191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 761350 + ... + 761618.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2^204839196 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 204839196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261273600).

204839196 is an abundant number, since it is smaller than the sum of its proper divisors (317708004).

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

204839196 is a wasteful number, since it uses less digits than its factorization.

204839196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 204839196 is about 14312.2044423632. The cubic root of 204839196 is about 589.4826413678.

The spelling of 204839196 in words is "two hundred four million, eight hundred thirty-nine thousand, one hundred ninety-six".