28652112 has 120 divisors (see below), whose sum is σ = 86119488. Its totient is φ = 8870400.

The previous prime is 28652083. The next prime is 28652131. The reversal of 28652112 is 21125682.

It is a happy number.

28652112 is a `hidden beast` number, since 2 + 8 + 652 + 1 + 1 + 2 = 666.

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 23 ways as a sum of consecutive naturals, for example, 135687 + ... + 135897.

Almost surely, 2^28652112 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 28652112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43059744).

28652112 is an abundant number, since it is smaller than the sum of its proper divisors (57467376).

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

28652112 is a wasteful number, since it uses less digits than its factorization.

28652112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 280 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 28652112 is about 5352.7667612180. The cubic root of 28652112 is about 305.9982058078.

Adding to 28652112 its reverse (21125682), we get a palindrome (49777794).

The spelling of 28652112 in words is "twenty-eight million, six hundred fifty-two thousand, one hundred twelve".