205859468 has 24 divisors (see below), whose sum is σ = 372462720. Its totient is φ = 99452160.

The previous prime is 205859449. The next prime is 205859491. The reversal of 205859468 is 864958502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131780 + ... + 133332.

It is an arithmetic number, because the mean of its divisors is an integer number (15519280).

Almost surely, 2^205859468 is an apocalyptic number.

It is an amenable number.

205859468 is a deficient number, since it is larger than the sum of its proper divisors (166603252).

205859468 is a wasteful number, since it uses less digits than its factorization.

205859468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657 (or 2655 counting only the distinct ones).

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

The square root of 205859468 is about 14347.8035949758. The cubic root of 205859468 is about 590.4597278692.

The spelling of 205859468 in words is "two hundred five million, eight hundred fifty-nine thousand, four hundred sixty-eight".