28162 has 4 divisors (see below), whose sum is σ = 42246. Its totient is φ = 14080.

The previous prime is 28151. The next prime is 28163. The reversal of 28162 is 26182.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19881 + 8281 = 141^2 + 91^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (28163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7039 + ... + 7042.

2²⁸¹⁶² is an apocalyptic number.

28162 is a deficient number, since it is larger than the sum of its proper divisors (14084).

28162 is a wasteful number, since it uses less digits than its factorization.

28162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14083.

The product of its digits is 192, while the sum is 19.

The square root of 28162 is about 167.8153747426. The cubic root of 28162 is about 30.4243399252.

It can be divided in two parts, 281 and 62, that added together give a palindrome (343).

The spelling of 28162 in words is "twenty-eight thousand, one hundred sixty-two".