28652 has 24 divisors (see below), whose sum is σ = 58800. Its totient is φ = 12096.

The previous prime is 28649. The next prime is 28657. The reversal of 28652 is 25682.

It is a happy number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (28657) by changing a digit.

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, 974 + ... + 1002.

It is an arithmetic number, because the mean of its divisors is an integer number (2450).

2²⁸⁶⁵² is an apocalyptic number.

It is an amenable number.

28652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29400).

28652 is a wasteful number, since it uses less digits than its factorization.

28652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 63 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 28652 is about 169.2690166569. The cubic root of 28652 is about 30.5997807096.

The spelling of 28652 in words is "twenty-eight thousand, six hundred fifty-two".