28703 has 2 divisors, whose sum is σ = 28704. Its totient is φ = 28702.

The previous prime is 28697. The next prime is 28711. The reversal of 28703 is 30782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28703 - 2⁴ = 28687 is a prime.

It is a Chen prime.

It is a nialpdrome in base 9 and base 14.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28703.

It is not a weakly prime, because it can be changed into another prime (28723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14351 + 14352.

It is an arithmetic number, because the mean of its divisors is an integer number (14352).

2²⁸⁷⁰³ is an apocalyptic number.

28703 is a deficient number, since it is larger than the sum of its proper divisors (1).

28703 is an equidigital number, since it uses as much as digits as its factorization.

28703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 28703 is about 169.4195974496. The cubic root of 28703 is about 30.6179256185.

The spelling of 28703 in words is "twenty-eight thousand, seven hundred three".