284384 has 12 divisors (see below), whose sum is σ = 559944. Its totient is φ = 142176.

The previous prime is 284377. The next prime is 284387. The reversal of 284384 is 483482.

284384 = T₁₁₇ + T₁₁₈ + ... + T₁₄₈.

284384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 284384.

It is not an unprimeable number, because it can be changed into a prime (284387) by changing a digit.

284384 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4412 + ... + 4475.

It is an arithmetic number, because the mean of its divisors is an integer number (46662).

2²⁸⁴³⁸⁴ is an apocalyptic number.

It is an amenable number.

284384 is a deficient number, since it is larger than the sum of its proper divisors (275560).

284384 is an equidigital number, since it uses as much as digits as its factorization.

284384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8897 (or 8889 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 284384 is about 533.2766636559. The cubic root of 284384 is about 65.7609965849.

The spelling of 284384 in words is "two hundred eighty-four thousand, three hundred eighty-four".