28348 has 12 divisors (see below), whose sum is σ = 52360. Its totient is φ = 13392.

The previous prime is 28319. The next prime is 28349. The reversal of 28348 is 84382.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28349) by changing a digit.

28348 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 262.

2²⁸³⁴⁸ is an apocalyptic number.

It is an amenable number.

28348 is a deficient number, since it is larger than the sum of its proper divisors (24012).

28348 is a wasteful number, since it uses less digits than its factorization.

28348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 394 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 28348 is about 168.3686431614. The cubic root of 28348 is about 30.4911736531.

The spelling of 28348 in words is "twenty-eight thousand, three hundred forty-eight".