28016703 has 36 divisors (see below), whose sum is σ = 47927880. Its totient is φ = 15665760.

The previous prime is 28016699. The next prime is 28016711. The reversal of 28016703 is 30761082.

It is not a de Polignac number, because 28016703 - 2² = 28016699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28016753) 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 in 35 ways as a sum of consecutive naturals, for example, 13168 + ... + 15146.

It is an arithmetic number, because the mean of its divisors is an integer number (1331330).

Almost surely, 2^28016703 is an apocalyptic number.

28016703 is a deficient number, since it is larger than the sum of its proper divisors (19911177).

28016703 is a wasteful number, since it uses less digits than its factorization.

28016703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 28016703 is about 5293.0806719717. The cubic root of 28016703 is about 303.7192663108.

Adding to 28016703 its reverse (30761082), we get a palindrome (58777785).

The spelling of 28016703 in words is "twenty-eight million, sixteen thousand, seven hundred three".