285083328 has 56 divisors (see below), whose sum is σ = 757204480. Its totient is φ = 94659840.

The previous prime is 285083299. The next prime is 285083333. The reversal of 285083328 is 823380582.

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, 49293 + ... + 54771.

Almost surely, 2^285083328 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 285083328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378602240).

285083328 is an abundant number, since it is smaller than the sum of its proper divisors (472121152).

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

285083328 is a wasteful number, since it uses less digits than its factorization.

285083328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765 (or 5755 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 285083328 is about 16884.4107981297. The cubic root of 285083328 is about 658.1485669527.

The spelling of 285083328 in words is "two hundred eighty-five million, eighty-three thousand, three hundred twenty-eight".