204766 has 8 divisors (see below), whose sum is σ = 314424. Its totient is φ = 99960.

The previous prime is 204751. The next prime is 204781. The reversal of 204766 is 667402.

It is an interprime number because it is at equal distance from previous prime (204751) and next prime (204781).

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

It is a super-2 number, since 2×204766² = 83858229512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204766.

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, 1105 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (39303).

2²⁰⁴⁷⁶⁶ is an apocalyptic number.

204766 is a deficient number, since it is larger than the sum of its proper divisors (109658).

204766 is a wasteful number, since it uses less digits than its factorization.

204766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 204766 is about 452.5107733524. The cubic root of 204766 is about 58.9412418948.

The spelling of 204766 in words is "two hundred four thousand, seven hundred sixty-six".