284249 has 6 divisors (see below), whose sum is σ = 330714. Its totient is φ = 243600.

The previous prime is 284243. The next prime is 284261. The reversal of 284249 is 942482.

It can be written as a sum of positive squares in only one way, i.e., 283024 + 1225 = 532^2 + 35^2 .

It is not a de Polignac number, because 284249 - 2⁴ = 284233 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 284249.

It is not an unprimeable number, because it can be changed into a prime (284243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2852 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (55119).

2²⁸⁴²⁴⁹ is an apocalyptic number.

It is an amenable number.

284249 is a deficient number, since it is larger than the sum of its proper divisors (46465).

284249 is an equidigital number, since it uses as much as digits as its factorization.

284249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815 (or 5808 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 284249 is about 533.1500726812. The cubic root of 284249 is about 65.7505891315.

The spelling of 284249 in words is "two hundred eighty-four thousand, two hundred forty-nine".