284315 has 8 divisors (see below), whose sum is σ = 345168. Its totient is φ = 224800.

The previous prime is 284311. The next prime is 284341. The reversal of 284315 is 513482.

284315 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 284315 - 2² = 284311 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 284315.

It is not an unprimeable number, because it can be changed into a prime (284311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224 + ... + 786.

It is an arithmetic number, because the mean of its divisors is an integer number (43146).

2²⁸⁴³¹⁵ is an apocalyptic number.

284315 is a deficient number, since it is larger than the sum of its proper divisors (60853).

284315 is a wasteful number, since it uses less digits than its factorization.

284315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669.

The product of its digits is 960, while the sum is 23.

The square root of 284315 is about 533.2119653571. The cubic root of 284315 is about 65.7556776314.

Adding to 284315 its reverse (513482), we get a palindrome (797797).

The spelling of 284315 in words is "two hundred eighty-four thousand, three hundred fifteen".