204393594 has 16 divisors (see below), whose sum is σ = 426560832. Its totient is φ = 65168928.

The previous prime is 204393551. The next prime is 204393613. The reversal of 204393594 is 495393402.

204393594 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 740419 + ... + 740694.

It is an arithmetic number, because the mean of its divisors is an integer number (26660052).

Almost surely, 2^204393594 is an apocalyptic number.

204393594 is an abundant number, since it is smaller than the sum of its proper divisors (222167238).

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

204393594 is a wasteful number, since it uses less digits than its factorization.

204393594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481141.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 204393594 is about 14296.6287634533. The cubic root of 204393594 is about 589.0548825020.

The spelling of 204393594 in words is "two hundred four million, three hundred ninety-three thousand, five hundred ninety-four".