28248175 has 24 divisors (see below), whose sum is σ = 37051200. Its totient is φ = 21329280.

The previous prime is 28248149. The next prime is 28248179. The reversal of 28248175 is 57184282.

It is not a de Polignac number, because 28248175 - 2¹⁹ = 27723887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28248179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33661 + ... + 34489.

It is an arithmetic number, because the mean of its divisors is an integer number (1543800).

Almost surely, 2^28248175 is an apocalyptic number.

28248175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28248175 is a deficient number, since it is larger than the sum of its proper divisors (8803025).

28248175 is a wasteful number, since it uses less digits than its factorization.

28248175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 910 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 28248175 is about 5314.9012220360. The cubic root of 28248175 is about 304.5534089338.

The spelling of 28248175 in words is "twenty-eight million, two hundred forty-eight thousand, one hundred seventy-five".