28606843 has 2 divisors, whose sum is σ = 28606844. Its totient is φ = 28606842.

The previous prime is 28606841. The next prime is 28606849. The reversal of 28606843 is 34860682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28606843 - 2¹ = 28606841 is a prime.

Together with 28606841, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28606841) 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, 14303421 + 14303422.

It is an arithmetic number, because the mean of its divisors is an integer number (14303422).

Almost surely, 2^28606843 is an apocalyptic number.

28606843 is a deficient number, since it is larger than the sum of its proper divisors (1).

28606843 is an equidigital number, since it uses as much as digits as its factorization.

28606843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 28606843 is about 5348.5365288086. The cubic root of 28606843 is about 305.8369665655.

The spelling of 28606843 in words is "twenty-eight million, six hundred six thousand, eight hundred forty-three".