28048673 has 2 divisors, whose sum is σ = 28048674. Its totient is φ = 28048672.

The previous prime is 28048639. The next prime is 28048681. The reversal of 28048673 is 37684082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23261329 + 4787344 = 4823^2 + 2188^2 .

It is a cyclic number.

It is not a de Polignac number, because 28048673 - 2⁸ = 28048417 is a prime.

It is not a weakly prime, because it can be changed into another prime (28048073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14024336 + 14024337.

It is an arithmetic number, because the mean of its divisors is an integer number (14024337).

Almost surely, 2^28048673 is an apocalyptic number.

It is an amenable number.

28048673 is a deficient number, since it is larger than the sum of its proper divisors (1).

28048673 is an equidigital number, since it uses as much as digits as its factorization.

28048673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 28048673 is about 5296.0997913559. The cubic root of 28048673 is about 303.8347475880.

The spelling of 28048673 in words is "twenty-eight million, forty-eight thousand, six hundred seventy-three".