28656152 has 64 divisors (see below), whose sum is σ = 67184640. Its totient is φ = 11174400.

The previous prime is 28656151. The next prime is 28656193. The reversal of 28656152 is 25165682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28656151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29027 + ... + 29997.

It is an arithmetic number, because the mean of its divisors is an integer number (1049760).

Almost surely, 2^28656152 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 28656152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33592320).

28656152 is an abundant number, since it is smaller than the sum of its proper divisors (38528488).

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

28656152 is a wasteful number, since it uses less digits than its factorization.

28656152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1028 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 28656152 is about 5353.1441228497. The cubic root of 28656152 is about 306.0125872334.

The spelling of 28656152 in words is "twenty-eight million, six hundred fifty-six thousand, one hundred fifty-two".