283388328 has 128 divisors (see below), whose sum is σ = 823536000. Its totient is φ = 90201600.

The previous prime is 283388327. The next prime is 283388353. The reversal of 283388328 is 823883382.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (283388327) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 471228 + ... + 471828.

It is an arithmetic number, because the mean of its divisors is an integer number (6433875).

Almost surely, 2^283388328 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 283388328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411768000).

283388328 is an abundant number, since it is smaller than the sum of its proper divisors (540147672).

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

283388328 is a wasteful number, since it uses less digits than its factorization.

283388328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 702 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 283388328 is about 16834.1417363642. The cubic root of 283388328 is about 656.8416039830.

The spelling of 283388328 in words is "two hundred eighty-three million, three hundred eighty-eight thousand, three hundred twenty-eight".