28662 has 16 divisors (see below), whose sum is σ = 60912. Its totient is φ = 8960.

The previous prime is 28661. The next prime is 28663. The reversal of 28662 is 26682.

28662 is nontrivially palindromic in base 16.

It is an interprime number because it is at equal distance from previous prime (28661) and next prime (28663).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28662.

It is not an unprimeable number, because it can be changed into a prime (28661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39 + ... + 242.

It is an arithmetic number, because the mean of its divisors is an integer number (3807).

2²⁸⁶⁶² is an apocalyptic number.

28662 is an abundant number, since it is smaller than the sum of its proper divisors (32250).

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 (30456).

28662 is a wasteful number, since it uses less digits than its factorization.

28662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

The product of its digits is 1152, while the sum is 24.

The square root of 28662 is about 169.2985528586. The cubic root of 28662 is about 30.6033402309.

The spelling of 28662 in words is "twenty-eight thousand, six hundred sixty-two".