28124832 has 48 divisors (see below), whose sum is σ = 74118240. Its totient is φ = 9338112.

The previous prime is 28124827. The next prime is 28124849. The reversal of 28124832 is 23842182.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a self number, because there is not a number n which added to its sum of digits gives 28124832.

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 7 ways as a sum of consecutive naturals, for example, 35998 + ... + 36770.

It is an arithmetic number, because the mean of its divisors is an integer number (1544130).

Almost surely, 2^28124832 is an apocalyptic number.

It is an amenable number.

28124832 is an abundant number, since it is smaller than the sum of its proper divisors (45993408).

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

28124832 is a wasteful number, since it uses less digits than its factorization.

28124832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1157 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 28124832 is about 5303.2850196836. The cubic root of 28124832 is about 304.1094942605.

The spelling of 28124832 in words is "twenty-eight million, one hundred twenty-four thousand, eight hundred thirty-two".