28548243 has 6 divisors (see below), whose sum is σ = 41236364. Its totient is φ = 19032156.

The previous prime is 28548239. The next prime is 28548257. The reversal of 28548243 is 34284582.

It is not a de Polignac number, because 28548243 - 2² = 28548239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28548198 and 28548207.

It is not an unprimeable number, because it can be changed into a prime (28548293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1586005 + ... + 1586022.

Almost surely, 2^28548243 is an apocalyptic number.

28548243 is a deficient number, since it is larger than the sum of its proper divisors (12688121).

28548243 is a wasteful number, since it uses less digits than its factorization.

28548243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172033 (or 3172030 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 28548243 is about 5343.0555864599. The cubic root of 28548243 is about 305.6279921169.

The spelling of 28548243 in words is "twenty-eight million, five hundred forty-eight thousand, two hundred forty-three".