204364506 has 16 divisors (see below), whose sum is σ = 410207904. Its totient is φ = 67875024.

The previous prime is 204364487. The next prime is 204364519. The reversal of 204364506 is 605463402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59820 + ... + 63143.

It is an arithmetic number, because the mean of its divisors is an integer number (25637994).

Almost surely, 2^204364506 is an apocalyptic number.

204364506 is an abundant number, since it is smaller than the sum of its proper divisors (205843398).

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

204364506 is a wasteful number, since it uses less digits than its factorization.

204364506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123245.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 204364506 is about 14295.6114244897. The cubic root of 204364506 is about 589.0269376580.

It can be divided in two parts, 20436 and 4506, that added together give a palindrome (24942).

The spelling of 204364506 in words is "two hundred four million, three hundred sixty-four thousand, five hundred six".