204490356 has 48 divisors (see below), whose sum is σ = 550951296. Its totient is φ = 57821184.

The previous prime is 204490343. The next prime is 204490381. The reversal of 204490356 is 653094402.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4401 + ... + 20696.

It is an arithmetic number, because the mean of its divisors is an integer number (11478152).

Almost surely, 2^204490356 is an apocalyptic number.

It is an amenable number.

204490356 is an abundant number, since it is smaller than the sum of its proper divisors (346460940).

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

204490356 is a wasteful number, since it uses less digits than its factorization.

204490356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25208 (or 25206 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 204490356 is about 14300.0124475470. The cubic root of 204490356 is about 589.1478226888.

The spelling of 204490356 in words is "two hundred four million, four hundred ninety thousand, three hundred fifty-six".