204394684 has 36 divisors (see below), whose sum is σ = 390325824. Its totient is φ = 93604992.

The previous prime is 204394679. The next prime is 204394711. The reversal of 204394684 is 486493402.

204394684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91509 + ... + 93715.

It is an arithmetic number, because the mean of its divisors is an integer number (10842384).

Almost surely, 2^204394684 is an apocalyptic number.

It is an amenable number.

204394684 is a deficient number, since it is larger than the sum of its proper divisors (185931140).

204394684 is a wasteful number, since it uses less digits than its factorization.

204394684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 204394684 is about 14296.6668842776. Note that the first 3 decimals coincide. The cubic root of 204394684 is about 589.0559296136.

The spelling of 204394684 in words is "two hundred four million, three hundred ninety-four thousand, six hundred eighty-four".