204104842 has 8 divisors (see below), whose sum is σ = 316714500. Its totient is φ = 98533344.

The previous prime is 204104833. The next prime is 204104863. The reversal of 204104842 is 248401402.

It can be written as a sum of positive squares in 2 ways, for example, as 201611601 + 2493241 = 14199^2 + 1579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1759467 + ... + 1759582.

Almost surely, 2^204104842 is an apocalyptic number.

204104842 is a deficient number, since it is larger than the sum of its proper divisors (112609658).

204104842 is a wasteful number, since it uses less digits than its factorization.

204104842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519080.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 204104842 is about 14286.5265897628. The cubic root of 204104842 is about 588.7773608632. Note that the first 3 decimals are identical.

It can be divided in two parts, 20410 and 4842, that added together give a palindrome (25252).

The spelling of 204104842 in words is "two hundred four million, one hundred four thousand, eight hundred forty-two".