28632384 has 84 divisors (see below), whose sum is σ = 89550240. Its totient is φ = 8674560.

The previous prime is 28632379. The next prime is 28632397. The reversal of 28632384 is 48323682.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4077 + ... + 8595.

Almost surely, 2^28632384 is an apocalyptic number.

28632384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28632384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44775120).

28632384 is an abundant number, since it is smaller than the sum of its proper divisors (60917856).

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

28632384 is a wasteful number, since it uses less digits than its factorization.

28632384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548 (or 4535 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 28632384 is about 5350.9236585846. The cubic root of 28632384 is about 305.9279594604.

The spelling of 28632384 in words is "twenty-eight million, six hundred thirty-two thousand, three hundred eighty-four".