205604334 has 24 divisors (see below), whose sum is σ = 479743992. Its totient is φ = 63262800.

The previous prime is 205604327. The next prime is 205604353. The reversal of 205604334 is 433406502.

205604334 is a `hidden beast` number, since 20 + 5 + 604 + 3 + 34 = 666.

205604334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 205604298 and 205604307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439092 + ... + 439559.

It is an arithmetic number, because the mean of its divisors is an integer number (19989333).

Almost surely, 2^205604334 is an apocalyptic number.

205604334 is an abundant number, since it is smaller than the sum of its proper divisors (274139658).

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

205604334 is a wasteful number, since it uses less digits than its factorization.

205604334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878672 (or 878669 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 205604334 is about 14338.9097911940. The cubic root of 205604334 is about 590.2156962950.

The spelling of 205604334 in words is "two hundred five million, six hundred four thousand, three hundred thirty-four".