284394 has 32 divisors (see below), whose sum is σ = 645120. Its totient is φ = 82800.

The previous prime is 284387. The next prime is 284407. The reversal of 284394 is 493482.

It is a happy 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 284394.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2²⁸⁴³⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322560).

284394 is an abundant number, since it is smaller than the sum of its proper divisors (360726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284394 is a wasteful number, since it uses less digits than its factorization.

284394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186.

The product of its digits is 6912, while the sum is 30.

The square root of 284394 is about 533.2860395698. The cubic root of 284394 is about 65.7617673763.

The spelling of 284394 in words is "two hundred eighty-four thousand, three hundred ninety-four".