284406 has 16 divisors (see below), whose sum is σ = 575424. Its totient is φ = 93704.

The previous prime is 284387. The next prime is 284407. The reversal of 284406 is 604482.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 284406.

It is not an unprimeable number, because it can be changed into a prime (284407) by changing a digit.

284406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421 + ... + 863.

It is an arithmetic number, because the mean of its divisors is an integer number (35964).

2²⁸⁴⁴⁰⁶ is an apocalyptic number.

284406 is an abundant number, since it is smaller than the sum of its proper divisors (291018).

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

284406 is a wasteful number, since it uses less digits than its factorization.

284406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 284406 is about 533.2972904488. The cubic root of 284406 is about 65.7626923022.

Adding to 284406 its reverse (604482), we get a palindrome (888888).

The spelling of 284406 in words is "two hundred eighty-four thousand, four hundred six".