204788648 has 16 divisors (see below), whose sum is σ = 385234080. Its totient is φ = 102059568.

The previous prime is 204788629. The next prime is 204788687. The reversal of 204788648 is 846887402.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 39236 + ... + 44147.

It is an arithmetic number, because the mean of its divisors is an integer number (24077130).

Almost surely, 2^204788648 is an apocalyptic number.

It is an amenable number.

204788648 is a deficient number, since it is larger than the sum of its proper divisors (180445432).

204788648 is a wasteful number, since it uses less digits than its factorization.

204788648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83696 (or 83692 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The square root of 204788648 is about 14310.4384279448. The cubic root of 204788648 is about 589.4341486631.

The spelling of 204788648 in words is "two hundred four million, seven hundred eighty-eight thousand, six hundred forty-eight".