28148 has 12 divisors (see below), whose sum is σ = 51072. Its totient is φ = 13560.

The previous prime is 28123. The next prime is 28151. The reversal of 28148 is 84182.

It is a super-3 number, since 3×28148³ = 66905817533376, which contains 333 as substring.

28148 is a modest number, since divided by 148 gives 28 as remainder.

It is a nialpdrome in base 13.

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 28148.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 237.

It is an arithmetic number, because the mean of its divisors is an integer number (4256).

2²⁸¹⁴⁸ is an apocalyptic number.

It is an amenable number.

28148 is a deficient number, since it is larger than the sum of its proper divisors (22924).

28148 is a wasteful number, since it uses less digits than its factorization.

28148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 260 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 28148 is about 167.7736570502. The cubic root of 28148 is about 30.4192975352.

The spelling of 28148 in words is "twenty-eight thousand, one hundred forty-eight".