204489982 has 4 divisors (see below), whose sum is σ = 306734976. Its totient is φ = 102244990.

The previous prime is 204489977. The next prime is 204490003. The reversal of 204489982 is 289984402.

It is a semiprime because it is the product of two primes.

It is a congruent 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 as a sum of consecutive naturals, namely, 51122494 + ... + 51122497.

It is an arithmetic number, because the mean of its divisors is an integer number (76683744).

Almost surely, 2^204489982 is an apocalyptic number.

204489982 is a deficient number, since it is larger than the sum of its proper divisors (102244994).

204489982 is a wasteful number, since it uses less digits than its factorization.

204489982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102244993.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 204489982 is about 14299.9993706294. Note that the first 3 decimals coincide. The cubic root of 204489982 is about 589.1474635172.

The spelling of 204489982 in words is "two hundred four million, four hundred eighty-nine thousand, nine hundred eighty-two".