282443728 has 40 divisors (see below), whose sum is σ = 645593600. Its totient is φ = 117141120.

The previous prime is 282443719. The next prime is 282443741. The reversal of 282443728 is 827344282.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37203 + ... + 44146.

It is an arithmetic number, because the mean of its divisors is an integer number (16139840).

Almost surely, 2^282443728 is an apocalyptic number.

282443728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

282443728 is an abundant number, since it is smaller than the sum of its proper divisors (363149872).

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

282443728 is a wasteful number, since it uses less digits than its factorization.

282443728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81395 (or 81389 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 282443728 is about 16806.0622395611. The cubic root of 282443728 is about 656.1109890533.

The spelling of 282443728 in words is "two hundred eighty-two million, four hundred forty-three thousand, seven hundred twenty-eight".