28384303 has 2 divisors, whose sum is σ = 28384304. Its totient is φ = 28384302.

The previous prime is 28384297. The next prime is 28384379. The reversal of 28384303 is 30348382.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28384303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28384393) 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, 14192151 + 14192152.

It is an arithmetic number, because the mean of its divisors is an integer number (14192152).

Almost surely, 2^28384303 is an apocalyptic number.

28384303 is a deficient number, since it is larger than the sum of its proper divisors (1).

28384303 is an equidigital number, since it uses as much as digits as its factorization.

28384303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 28384303 is about 5327.6920894511. The cubic root of 28384303 is about 305.0418396423.

The spelling of 28384303 in words is "twenty-eight million, three hundred eighty-four thousand, three hundred three".