28395841 has 2 divisors, whose sum is σ = 28395842. Its totient is φ = 28395840.

The previous prime is 28395799. The next prime is 28395911. The reversal of 28395841 is 14859382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25603600 + 2792241 = 5060^2 + 1671^2 .

It is a cyclic number.

It is not a de Polignac number, because 28395841 - 2⁷ = 28395713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28395794 and 28395803.

It is not a weakly prime, because it can be changed into another prime (28395541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14197920 + 14197921.

It is an arithmetic number, because the mean of its divisors is an integer number (14197921).

Almost surely, 2^28395841 is an apocalyptic number.

It is an amenable number.

28395841 is a deficient number, since it is larger than the sum of its proper divisors (1).

28395841 is an equidigital number, since it uses as much as digits as its factorization.

28395841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 28395841 is about 5328.7748122810. The cubic root of 28395841 is about 305.0831664273.

The spelling of 28395841 in words is "twenty-eight million, three hundred ninety-five thousand, eight hundred forty-one".