284280216 has 64 divisors (see below), whose sum is σ = 776805120. Its totient is φ = 85979520.

The previous prime is 284280203. The next prime is 284280233. The reversal of 284280216 is 612082482.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266901 + ... + 267963.

It is an arithmetic number, because the mean of its divisors is an integer number (12137580).

Almost surely, 2^284280216 is an apocalyptic number.

It is an amenable number.

284280216 is an abundant number, since it is smaller than the sum of its proper divisors (492524904).

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

284280216 is a wasteful number, since it uses less digits than its factorization.

284280216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 284280216 is about 16860.6113768155. The cubic root of 284280216 is about 657.5299593591.

The spelling of 284280216 in words is "two hundred eighty-four million, two hundred eighty thousand, two hundred sixteen".