205865948 has 12 divisors (see below), whose sum is σ = 361974312. Its totient is φ = 102444720.

The previous prime is 205865929. The next prime is 205865951. The reversal of 205865948 is 849568502.

205865948 is digitally balanced in base 3, 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121115 + ... + 122802.

It is an arithmetic number, because the mean of its divisors is an integer number (30164526).

Almost surely, 2^205865948 is an apocalyptic number.

It is an amenable number.

205865948 is a deficient number, since it is larger than the sum of its proper divisors (156108364).

205865948 is a wasteful number, since it uses less digits than its factorization.

205865948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244132 (or 244130 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 205865948 is about 14348.0294117346. The cubic root of 205865948 is about 590.4659232589.

The spelling of 205865948 in words is "two hundred five million, eight hundred sixty-five thousand, nine hundred forty-eight".