28348841 has 4 divisors (see below), whose sum is σ = 28359552. Its totient is φ = 28338132.

The previous prime is 28348823. The next prime is 28348847. The reversal of 28348841 is 14884382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 28348841 - 2¹⁴ = 28332457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28348795 and 28348804.

It is not an unprimeable number, because it can be changed into a prime (28348847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820 + ... + 7746.

It is an arithmetic number, because the mean of its divisors is an integer number (7089888).

Almost surely, 2^28348841 is an apocalyptic number.

It is an amenable number.

28348841 is a deficient number, since it is larger than the sum of its proper divisors (10711).

28348841 is an equidigital number, since it uses as much as digits as its factorization.

28348841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710.

The product of its digits is 49152, while the sum is 38.

The square root of 28348841 is about 5324.3629665905. The cubic root of 28348841 is about 304.9147517731.

The spelling of 28348841 in words is "twenty-eight million, three hundred forty-eight thousand, eight hundred forty-one".