28808016 has 20 divisors (see below), whose sum is σ = 74420832. Its totient is φ = 9602656.

The previous prime is 28808011. The next prime is 28808051. The reversal of 28808016 is 61080882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28808011) 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 3 ways as a sum of consecutive naturals, for example, 300036 + ... + 300131.

Almost surely, 2^28808016 is an apocalyptic number.

It is an amenable number.

28808016 is an abundant number, since it is smaller than the sum of its proper divisors (45612816).

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

28808016 is a wasteful number, since it uses less digits than its factorization.

28808016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600178 (or 600172 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 28808016 is about 5367.3099407431. The cubic root of 28808016 is about 306.5522089139.

Adding to 28808016 its reverse (61080882), we get a palindrome (89888898).

The spelling of 28808016 in words is "twenty-eight million, eight hundred eight thousand, sixteen".