1028844 has 18 divisors (see below), whose sum is σ = 2600780. Its totient is φ = 342936.

The previous prime is 1028843. The next prime is 1028873. The reversal of 1028844 is 4488201.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1028843) 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 5 ways as a sum of consecutive naturals, for example, 14254 + ... + 14325.

2^1028844 is an apocalyptic number.

It is an amenable number.

1028844 is an abundant number, since it is smaller than the sum of its proper divisors (1571936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028844 is a wasteful number, since it uses less digits than its factorization.

1028844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28589 (or 28584 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 1028844 is about 1014.3194762993. The cubic root of 1028844 is about 100.9523678285.

The spelling of 1028844 in words is "one million, twenty-eight thousand, eight hundred forty-four".