28946303 has 2 divisors, whose sum is σ = 28946304. Its totient is φ = 28946302.

The previous prime is 28946273. The next prime is 28946327. The reversal of 28946303 is 30364982.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28946303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28946363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14473151 + 14473152.

It is an arithmetic number, because the mean of its divisors is an integer number (14473152).

Almost surely, 2^28946303 is an apocalyptic number.

28946303 is a deficient number, since it is larger than the sum of its proper divisors (1).

28946303 is an equidigital number, since it uses as much as digits as its factorization.

28946303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 28946303 is about 5380.1768558292. The cubic root of 28946303 is about 307.0419398965.

The spelling of 28946303 in words is "twenty-eight million, nine hundred forty-six thousand, three hundred three".