28448699 has 2 divisors, whose sum is σ = 28448700. Its totient is φ = 28448698.

The previous prime is 28448689. The next prime is 28448741. The reversal of 28448699 is 99684482.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28448699 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28448659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14224349 + 14224350.

It is an arithmetic number, because the mean of its divisors is an integer number (14224350).

Almost surely, 2^28448699 is an apocalyptic number.

28448699 is a deficient number, since it is larger than the sum of its proper divisors (1).

28448699 is an equidigital number, since it uses as much as digits as its factorization.

28448699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 50.

The square root of 28448699 is about 5333.7321830028. The cubic root of 28448699 is about 305.2723501211.

The spelling of 28448699 in words is "twenty-eight million, four hundred forty-eight thousand, six hundred ninety-nine".