920028 has 24 divisors (see below), whose sum is σ = 2197888. Its totient is φ = 299376.

The previous prime is 920021. The next prime is 920039. The reversal of 920028 is 820029.

920028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 919986 and 920013.

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 920028.

It is not an unprimeable number, because it can be changed into a prime (920021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376 + ... + 1407.

2⁹²⁰⁰²⁸ is an apocalyptic number.

It is an amenable number.

920028 is an abundant number, since it is smaller than the sum of its proper divisors (1277860).

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

920028 is a wasteful number, since it uses less digits than its factorization.

920028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 920028 is about 959.1809005605. The cubic root of 920028 is about 97.2598692962.

Subtracting from 920028 its reverse (820029), we obtain a palindrome (99999).

The spelling of 920028 in words is "nine hundred twenty thousand, twenty-eight".