204609792 has 72 divisors (see below), whose sum is σ = 547170624. Its totient is φ = 67876864.

The previous prime is 204609791. The next prime is 204609793. The reversal of 204609792 is 297906402.

It is an interprime number because it is at equal distance from previous prime (204609791) and next prime (204609793).

It is a self number, because there is not a number n which added to its sum of digits gives 204609792.

It is not an unprimeable number, because it can be changed into a prime (204609791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201478 + ... + 202490.

It is an arithmetic number, because the mean of its divisors is an integer number (7599592).

Almost surely, 2^204609792 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 204609792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273585312).

204609792 is an abundant number, since it is smaller than the sum of its proper divisors (342560832).

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

204609792 is a wasteful number, since it uses less digits than its factorization.

204609792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 204609792 is about 14304.1879182287. The cubic root of 204609792 is about 589.2625008996.

The spelling of 204609792 in words is "two hundred four million, six hundred nine thousand, seven hundred ninety-two".