282889728 has 120 divisors (see below), whose sum is σ = 890820216. Its totient is φ = 85708800.

The previous prime is 282889697. The next prime is 282889729. The reversal of 282889728 is 827988282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282889729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47898 + ... + 53478.

Almost surely, 2^282889728 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 282889728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445410108).

282889728 is an abundant number, since it is smaller than the sum of its proper divisors (607930488).

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

282889728 is a wasteful number, since it uses less digits than its factorization.

282889728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616 (or 5597 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The square root of 282889728 is about 16819.3260269251. The cubic root of 282889728 is about 656.4561570533.

The spelling of 282889728 in words is "two hundred eighty-two million, eight hundred eighty-nine thousand, seven hundred twenty-eight".