28582384 has 40 divisors (see below), whose sum is σ = 58746240. Its totient is φ = 13434048.

The previous prime is 28582381. The next prime is 28582387. The reversal of 28582384 is 48328582.

It is an interprime number because it is at equal distance from previous prime (28582381) and next prime (28582387).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28582381) 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 7 ways as a sum of consecutive naturals, for example, 50487 + ... + 51049.

It is an arithmetic number, because the mean of its divisors is an integer number (1468656).

Almost surely, 2^28582384 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 28582384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29373120).

28582384 is an abundant number, since it is smaller than the sum of its proper divisors (30163856).

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

28582384 is a wasteful number, since it uses less digits than its factorization.

28582384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 751 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 28582384 is about 5346.2495265373. The cubic root of 28582384 is about 305.7497776445.

The spelling of 28582384 in words is "twenty-eight million, five hundred eighty-two thousand, three hundred eighty-four".