284466 has 32 divisors (see below), whose sum is σ = 701568. Its totient is φ = 74880.

The previous prime is 284447. The next prime is 284467. The reversal of 284466 is 664482.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 284466.

It is not an unprimeable number, because it can be changed into a prime (284467) by changing a digit.

284466 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 in 15 ways as a sum of consecutive naturals, for example, 286 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (21924).

2²⁸⁴⁴⁶⁶ is an apocalyptic number.

284466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 284466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350784).

284466 is an abundant number, since it is smaller than the sum of its proper divisors (417102).

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

284466 is a wasteful number, since it uses less digits than its factorization.

284466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

The product of its digits is 9216, while the sum is 30.

The square root of 284466 is about 533.3535412838. The cubic root of 284466 is about 65.7673165414.

The spelling of 284466 in words is "two hundred eighty-four thousand, four hundred sixty-six".