284305

284305 is a natural number that sits between 284304 and 284306. It is an odd composite integer with a prime factorization of 5 × 7 × 8123, where 8123 is itself prime. Because the prime factors are distinct, 284305 is squarefree and has eight positive divisors: 1, 5, 7, 35, 8123, 40615, 56861, and 284305.

Its divisibility properties include being divisible by 5 and by 7, while not divisible by 2 or 3. The sum of all divisors is 389,952, and the sum of its proper divisors (excluding the number itself) is 105,647. This latter figure shows that 284305 is not a perfect number, since a perfect number equals the sum of its proper divisors.

Additional arithmetic characteristics include Euler’s totient function value φ(284305) = 194,928, which reflects the count of integers up to 284305 that are coprime to it. The divisor count is τ(284305) = 8, consistent with its three distinct prime factors.

In summary, 284305 is a six-digit, squarefree composite number with factors 5, 7, and 8123, eight divisors in total, a proper-divisor sum of 105,647, and a Euler totient of 194,928.