28302899 has 2 divisors, whose sum is σ = 28302900. Its totient is φ = 28302898.

The previous prime is 28302851. The next prime is 28302919. The reversal of 28302899 is 99820382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28302899 - 2²⁰ = 27254323 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (28302809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14151449 + 14151450.

It is an arithmetic number, because the mean of its divisors is an integer number (14151450).

Almost surely, 2^28302899 is an apocalyptic number.

28302899 is a deficient number, since it is larger than the sum of its proper divisors (1).

28302899 is an equidigital number, since it uses as much as digits as its factorization.

28302899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 28302899 is about 5320.0468982895. The cubic root of 28302899 is about 304.7499482378.

The spelling of 28302899 in words is "twenty-eight million, three hundred two thousand, eight hundred ninety-nine".