28832384 has 48 divisors (see below), whose sum is σ = 66831930. Its totient is φ = 12354048.

The previous prime is 28832381. The next prime is 28832413. The reversal of 28832384 is 48323882.

It can be written as a sum of positive squares in only one way, i.e., 28302400 + 529984 = 5320^2 + 728^2 .

It is not an unprimeable number, because it can be changed into a prime (28832381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3974 + ... + 8570.

Almost surely, 2^28832384 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 28832384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33415965).

28832384 is an abundant number, since it is smaller than the sum of its proper divisors (37999546).

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

28832384 is an equidigital number, since it uses as much as digits as its factorization.

28832384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625 (or 4606 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 28832384 is about 5369.5794993649. The cubic root of 28832384 is about 306.6386195732.

The spelling of 28832384 in words is "twenty-eight million, eight hundred thirty-two thousand, three hundred eighty-four".