205968458 has 16 divisors (see below), whose sum is σ = 311351040. Its totient is φ = 102188400.

The previous prime is 205968439. The next prime is 205968487. The reversal of 205968458 is 854869502.

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, 166703 + ... + 167933.

It is an arithmetic number, because the mean of its divisors is an integer number (19459440).

Almost surely, 2^205968458 is an apocalyptic number.

205968458 is a deficient number, since it is larger than the sum of its proper divisors (105382582).

205968458 is a wasteful number, since it uses less digits than its factorization.

205968458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813.

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

The square root of 205968458 is about 14351.6012347055. The cubic root of 205968458 is about 590.5639135912.

The spelling of 205968458 in words is "two hundred five million, nine hundred sixty-eight thousand, four hundred fifty-eight".