28192 has 12 divisors (see below), whose sum is σ = 55566. Its totient is φ = 14080.

The previous prime is 28183. The next prime is 28201. The reversal of 28192 is 29182.

It is an interprime number because it is at equal distance from previous prime (28183) and next prime (28201).

It can be written as a sum of positive squares in only one way, i.e., 26896 + 1296 = 164^2 + 36^2 .

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409 + ... + 472.

2²⁸¹⁹² is an apocalyptic number.

It is an amenable number.

28192 is a deficient number, since it is larger than the sum of its proper divisors (27374).

28192 is an equidigital number, since it uses as much as digits as its factorization.

28192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 883 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 28192 is about 167.9047348945. The cubic root of 28192 is about 30.4351394220.

Subtracting 28192 from its reverse (29182), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 281 and 92, that multiplied together give a palindrome (25852).

The spelling of 28192 in words is "twenty-eight thousand, one hundred ninety-two".