204679872 has 196 divisors, whose sum is σ = 629646696. Its totient is φ = 65940480.

The previous prime is 204679861. The next prime is 204679879. The reversal of 204679872 is 278976402.

It is not an unprimeable number, because it can be changed into a prime (204679879) 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 27 ways as a sum of consecutive naturals, for example, 1912843 + ... + 1912949.

Almost surely, 2^204679872 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 204679872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314823348).

204679872 is an abundant number, since it is smaller than the sum of its proper divisors (424966824).

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

204679872 is an equidigital number, since it uses as much as digits as its factorization.

204679872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 204679872 is about 14306.6373407590. The cubic root of 204679872 is about 589.3297684562.

It can be divided in two parts, 2046 and 79872, that added together give a palindrome (81918).

The spelling of 204679872 in words is "two hundred four million, six hundred seventy-nine thousand, eight hundred seventy-two".