1028859 has 32 divisors (see below), whose sum is σ = 1634304. Its totient is φ = 570240.

The previous prime is 1028843. The next prime is 1028873. The reversal of 1028859 is 9588201.

It is a happy number.

1028859 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 1028859 - 2⁴ = 1028843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1028809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27789 + ... + 27825.

It is an arithmetic number, because the mean of its divisors is an integer number (51072).

2^1028859 is an apocalyptic number.

1028859 is a deficient number, since it is larger than the sum of its proper divisors (605445).

1028859 is a wasteful number, since it uses less digits than its factorization.

1028859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1028859 is about 1014.3268703924. The cubic root of 1028859 is about 100.9528584367.

The spelling of 1028859 in words is "one million, twenty-eight thousand, eight hundred fifty-nine".