428303 has 2 divisors, whose sum is σ = 428304. Its totient is φ = 428302.

The previous prime is 428299. The next prime is 428339. The reversal of 428303 is 303824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428303 - 2² = 428299 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214151 + 214152.

It is an arithmetic number, because the mean of its divisors is an integer number (214152).

2⁴²⁸³⁰³ is an apocalyptic number.

428303 is a deficient number, since it is larger than the sum of its proper divisors (1).

428303 is an equidigital number, since it uses as much as digits as its factorization.

428303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 428303 is about 654.4486228880. The cubic root of 428303 is about 75.3790000783.

The spelling of 428303 in words is "four hundred twenty-eight thousand, three hundred three".