205466 has 8 divisors (see below), whose sum is σ = 324480. Its totient is φ = 97308.

The previous prime is 205463. The next prime is 205477. The reversal of 205466 is 664502.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 205466.

It is not an unprimeable number, because it can be changed into a prime (205463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (40560).

2²⁰⁵⁴⁶⁶ is an apocalyptic number.

205466 is a deficient number, since it is larger than the sum of its proper divisors (119014).

205466 is a wasteful number, since it uses less digits than its factorization.

205466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 205466 is about 453.2835757007. The cubic root of 205466 is about 59.0083297633.

Adding to 205466 its reverse (664502), we get a palindrome (869968).

The spelling of 205466 in words is "two hundred five thousand, four hundred sixty-six".