28016983 has 2 divisors, whose sum is σ = 28016984. Its totient is φ = 28016982.

The previous prime is 28016971. The next prime is 28016999. The reversal of 28016983 is 38961082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28016983 - 2¹³ = 28008791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28016083) 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, 14008491 + 14008492.

It is an arithmetic number, because the mean of its divisors is an integer number (14008492).

Almost surely, 2^28016983 is an apocalyptic number.

28016983 is a deficient number, since it is larger than the sum of its proper divisors (1).

28016983 is an equidigital number, since it uses as much as digits as its factorization.

28016983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 28016983 is about 5293.1071215308. The cubic root of 28016983 is about 303.7202781014.

The spelling of 28016983 in words is "twenty-eight million, sixteen thousand, nine hundred eighty-three".