284529216 has 56 divisors (see below), whose sum is σ = 757692160. Its totient is φ = 94228992.

The previous prime is 284529209. The next prime is 284529257. The reversal of 284529216 is 612925482.

It is an unprimeable 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, 25425 + ... + 34863.

Almost surely, 2^284529216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284529216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378846080).

284529216 is an abundant number, since it is smaller than the sum of its proper divisors (473162944).

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

284529216 is a wasteful number, since it uses less digits than its factorization.

284529216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9611 (or 9601 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 284529216 is about 16867.9938344784. The cubic root of 284529216 is about 657.7218793637.

The spelling of 284529216 in words is "two hundred eighty-four million, five hundred twenty-nine thousand, two hundred sixteen".