842028 has 24 divisors (see below), whose sum is σ = 2143680. Its totient is φ = 255120.

The previous prime is 842021. The next prime is 842041. The reversal of 842028 is 820248.

842028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×842028² = 1418022305568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 841989 and 842007.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842028.

It is not an unprimeable number, because it can be changed into a prime (842021) by changing a digit.

842028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3058 + ... + 3321.

It is an arithmetic number, because the mean of its divisors is an integer number (89320).

2⁸⁴²⁰²⁸ is an apocalyptic number.

It is an amenable number.

842028 is an abundant number, since it is smaller than the sum of its proper divisors (1301652).

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

842028 is a wasteful number, since it uses less digits than its factorization.

842028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6397 (or 6395 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 842028 is about 917.6208367294. The cubic root of 842028 is about 94.4297509885.

It can be divided in two parts, 8420 and 28, that added together give a palindrome (8448).

The spelling of 842028 in words is "eight hundred forty-two thousand, twenty-eight".