284730 has 16 divisors (see below), whose sum is σ = 683424. Its totient is φ = 75920.

The previous prime is 284729. The next prime is 284731. The reversal of 284730 is 37482.

It is an interprime number because it is at equal distance from previous prime (284729) and next prime (284731).

It is a d-powerful number, because it can be written as 2¹¹ + 8³ + 7³ + 4⁹ + 3⁹ + 0 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 284730.

It is not an unprimeable number, because it can be changed into a prime (284731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4716 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (42714).

2²⁸⁴⁷³⁰ is an apocalyptic number.

284730 is an abundant number, since it is smaller than the sum of its proper divisors (398694).

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

284730 is a wasteful number, since it uses less digits than its factorization.

284730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9501.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 284730 is about 533.6009745119. The cubic root of 284730 is about 65.7876554726.

The spelling of 284730 in words is "two hundred eighty-four thousand, seven hundred thirty".