28703683 has 2 divisors, whose sum is σ = 28703684. Its totient is φ = 28703682.

The previous prime is 28703669. The next prime is 28703693. The reversal of 28703683 is 38630782.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28703683 is a prime.

It is not a weakly prime, because it can be changed into another prime (28703603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14351841 + 14351842.

It is an arithmetic number, because the mean of its divisors is an integer number (14351842).

Almost surely, 2^28703683 is an apocalyptic number.

28703683 is a deficient number, since it is larger than the sum of its proper divisors (1).

28703683 is an equidigital number, since it uses as much as digits as its factorization.

28703683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 28703683 is about 5357.5818239202. The cubic root of 28703683 is about 306.1816847204.

The spelling of 28703683 in words is "twenty-eight million, seven hundred three thousand, six hundred eighty-three".