28303367 has 2 divisors, whose sum is σ = 28303368. Its totient is φ = 28303366.

The previous prime is 28303361. The next prime is 28303397. The reversal of 28303367 is 76330382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28303367 - 2¹⁴ = 28286983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28303361) 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, 14151683 + 14151684.

It is an arithmetic number, because the mean of its divisors is an integer number (14151684).

Almost surely, 2^28303367 is an apocalyptic number.

28303367 is a deficient number, since it is larger than the sum of its proper divisors (1).

28303367 is an equidigital number, since it uses as much as digits as its factorization.

28303367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 28303367 is about 5320.0908826824. The cubic root of 28303367 is about 304.7516279501.

The spelling of 28303367 in words is "twenty-eight million, three hundred three thousand, three hundred sixty-seven".