28746899 has 2 divisors, whose sum is σ = 28746900. Its totient is φ = 28746898.

The previous prime is 28746871. The next prime is 28746929. The reversal of 28746899 is 99864782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28746899 - 2²⁰ = 27698323 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28746899.

It is not a weakly prime, because it can be changed into another prime (28746869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14373449 + 14373450.

It is an arithmetic number, because the mean of its divisors is an integer number (14373450).

Almost surely, 2^28746899 is an apocalyptic number.

28746899 is a deficient number, since it is larger than the sum of its proper divisors (1).

28746899 is an equidigital number, since it uses as much as digits as its factorization.

28746899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 53.

The square root of 28746899 is about 5361.6134698428. The cubic root of 28746899 is about 306.3352691065.

The spelling of 28746899 in words is "twenty-eight million, seven hundred forty-six thousand, eight hundred ninety-nine".