428283 has 12 divisors (see below), whose sum is σ = 645840. Its totient is φ = 272976.

The previous prime is 428273. The next prime is 428297. The reversal of 428283 is 382824.

It is not a de Polignac number, because 428283 - 2⁵ = 428251 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 2¹¹ + 2¹⁷ + 8 + 8⁵ + 3⁵ .

It is not an unprimeable number, because it can be changed into a prime (428273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 828 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (53820).

2⁴²⁸²⁸³ is an apocalyptic number.

428283 is a deficient number, since it is larger than the sum of its proper divisors (217557).

428283 is a wasteful number, since it uses less digits than its factorization.

428283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098 (or 2095 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 428283 is about 654.4333426714. The cubic root of 428283 is about 75.3778267630.

The spelling of 428283 in words is "four hundred twenty-eight thousand, two hundred eighty-three".