28995824 has 160 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 10644480.

The previous prime is 28995821. The next prime is 28995833. The reversal of 28995824 is 42859982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28995821) 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 31 ways as a sum of consecutive naturals, for example, 999842 + ... + 999870.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 2^28995824 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 28995824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37497600).

28995824 is an abundant number, since it is smaller than the sum of its proper divisors (45999376).

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

28995824 is a wasteful number, since it uses less digits than its factorization.

28995824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 97 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 28995824 is about 5384.7770613090. Note that the first 3 decimals coincide. The cubic root of 28995824 is about 307.2169347399.

It can be divided in two parts, 289958 and 24, that added together give a palindrome (289982).

The spelling of 28995824 in words is "twenty-eight million, nine hundred ninety-five thousand, eight hundred twenty-four".