282303728 has 80 divisors (see below), whose sum is σ = 639959040. Its totient is φ = 118153728.

The previous prime is 282303727. The next prime is 282303743. The reversal of 282303728 is 827303282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282303727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265825 + ... + 1266047.

It is an arithmetic number, because the mean of its divisors is an integer number (7999488).

Almost surely, 2^282303728 is an apocalyptic number.

282303728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 282303728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319979520).

282303728 is an abundant number, since it is smaller than the sum of its proper divisors (357655312).

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

282303728 is a wasteful number, since it uses less digits than its factorization.

282303728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 282303728 is about 16801.8965596149. The cubic root of 282303728 is about 656.0025654272.

The spelling of 282303728 in words is "two hundred eighty-two million, three hundred three thousand, seven hundred twenty-eight".