28548241 has 12 divisors (see below), whose sum is σ = 31113984. Its totient is φ = 26163000.

The previous prime is 28548239. The next prime is 28548257. The reversal of 28548241 is 14284582.

It is not a de Polignac number, because 28548241 - 2¹ = 28548239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28548197 and 28548206.

It is not an unprimeable number, because it can be changed into a prime (28548841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9916 + ... + 12466.

It is an arithmetic number, because the mean of its divisors is an integer number (2592832).

Almost surely, 2^28548241 is an apocalyptic number.

It is an amenable number.

28548241 is a deficient number, since it is larger than the sum of its proper divisors (2565743).

28548241 is a wasteful number, since it uses less digits than its factorization.

28548241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620 (or 2601 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 28548241 is about 5343.0553993010. The cubic root of 28548241 is about 305.6279849798.

The spelling of 28548241 in words is "twenty-eight million, five hundred forty-eight thousand, two hundred forty-one".