204454928 has 10 divisors (see below), whose sum is σ = 396131454. Its totient is φ = 102227456.

The previous prime is 204454907. The next prime is 204454931. The reversal of 204454928 is 829454402.

It is a happy number.

204454928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133356304 + 71098624 = 11548^2 + 8432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204454891 and 204454900.

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 as a sum of consecutive naturals, namely, 6389201 + ... + 6389232.

Almost surely, 2^204454928 is an apocalyptic number.

It is an amenable number.

204454928 is a deficient number, since it is larger than the sum of its proper divisors (191676526).

204454928 is a wasteful number, since it uses less digits than its factorization.

204454928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778441 (or 12778435 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 204454928 is about 14298.7736537089. The cubic root of 204454928 is about 589.1137973930.

The spelling of 204454928 in words is "two hundred four million, four hundred fifty-four thousand, nine hundred twenty-eight".