284228730 has 64 divisors (see below), whose sum is σ = 762307200. Its totient is φ = 75358080.

The previous prime is 284228719. The next prime is 284228731. The reversal of 284228730 is 37822482.

284228730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (284228731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45390 + ... + 51270.

It is an arithmetic number, because the mean of its divisors is an integer number (11911050).

Almost surely, 2^284228730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284228730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381153600).

284228730 is an abundant number, since it is smaller than the sum of its proper divisors (478078470).

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

284228730 is a wasteful number, since it uses less digits than its factorization.

284228730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076 (or 6070 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 284228730 is about 16859.0844947168. The cubic root of 284228730 is about 657.4902618710.

The spelling of 284228730 in words is "two hundred eighty-four million, two hundred twenty-eight thousand, seven hundred thirty".