28448241 has 8 divisors (see below), whose sum is σ = 38813280. Its totient is φ = 18524352.

The previous prime is 28448213. The next prime is 28448261. The reversal of 28448241 is 14284482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28448241 - 2¹⁷ = 28317169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28448201) 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 7 ways as a sum of consecutive naturals, for example, 110136 + ... + 110393.

It is an arithmetic number, because the mean of its divisors is an integer number (4851660).

Almost surely, 2^28448241 is an apocalyptic number.

It is an amenable number.

28448241 is a deficient number, since it is larger than the sum of its proper divisors (10365039).

28448241 is a wasteful number, since it uses less digits than its factorization.

28448241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220575.

The product of its digits is 16384, while the sum is 33.

The square root of 28448241 is about 5333.6892485408. The cubic root of 28448241 is about 305.2707119034.

The spelling of 28448241 in words is "twenty-eight million, four hundred forty-eight thousand, two hundred forty-one".