1028433 has 8 divisors (see below), whose sum is σ = 1567168. Its totient is φ = 587664.

The previous prime is 1028411. The next prime is 1028437. The reversal of 1028433 is 3348201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1028433 - 2¹⁰ = 1027409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 48973 = 1028433 / (1 + 0 + 2 + 8 + 4 + 3 + 3).

It is a Duffinian number.

1028433 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1028437) 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 7 ways as a sum of consecutive naturals, for example, 24466 + ... + 24507.

It is an arithmetic number, because the mean of its divisors is an integer number (195896).

2^1028433 is an apocalyptic number.

It is an amenable number.

1028433 is a deficient number, since it is larger than the sum of its proper divisors (538735).

1028433 is an equidigital number, since it uses as much as digits as its factorization.

1028433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48983.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1028433 is about 1014.1168571718. The cubic root of 1028433 is about 100.9389233058.

The spelling of 1028433 in words is "one million, twenty-eight thousand, four hundred thirty-three".