1428283 has 4 divisors (see below), whose sum is σ = 1458720. Its totient is φ = 1397848.

The previous prime is 1428281. The next prime is 1428359. The reversal of 1428283 is 3828241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3828241 = 223 ⋅17167.

It is a cyclic number.

It is not a de Polignac number, because 1428283 - 2¹ = 1428281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428281) 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 in 3 ways as a sum of consecutive naturals, for example, 15148 + ... + 15241.

It is an arithmetic number, because the mean of its divisors is an integer number (364680).

2^1428283 is an apocalyptic number.

1428283 is a deficient number, since it is larger than the sum of its proper divisors (30437).

1428283 is an equidigital number, since it uses as much as digits as its factorization.

1428283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30436.

The product of its digits is 3072, while the sum is 28.

The square root of 1428283 is about 1195.1079449154. The cubic root of 1428283 is about 112.6172078860.

It can be divided in two parts, 14282 and 83, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 1428283 in words is "one million, four hundred twenty-eight thousand, two hundred eighty-three".