205894 has 8 divisors (see below), whose sum is σ = 332640. Its totient is φ = 95016.

The previous prime is 205883. The next prime is 205913. The reversal of 205894 is 498502.

It is a happy number.

205894 is nontrivially palindromic in base 15.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3934 + ... + 3985.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2²⁰⁵⁸⁹⁴ is an apocalyptic number.

205894 is a deficient number, since it is larger than the sum of its proper divisors (126746).

205894 is a wasteful number, since it uses less digits than its factorization.

205894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 205894 is about 453.7554407387. The cubic root of 205894 is about 59.0492741678.

The spelling of 205894 in words is "two hundred five thousand, eight hundred ninety-four".