4395

4395 is a natural number that sits between 4394 and 4396. It is an odd composite number in decimal notation.

Prime factorization: 4395 = 3 × 5 × 293. Because it is the product of three distinct primes, 4395 is classified as a sphenic number.

Divisors: The positive divisors are 1, 3, 5, 15, 293, 879, 1465, and 4395. Therefore it has eight divisors.

Sum of divisors: The sum of all positive divisors is 7056, since (1+3)(1+5)(1+293) = 4 × 6 × 294 = 7056. The sum of proper divisors (excluding itself) is 2661, which is less than 4395, so 4395 is a deficient number.

Other properties: The digits of 4395 sum to 21, making it not a Harshad number in base 10. It is an odd, squarefree integer (no repeated prime factors).

Applications: In recreational number theory, 4395 is often cited as an example of a sphenic number due to its prime factorization.

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