823028 has 24 divisors (see below), whose sum is σ = 1519392. Its totient is φ = 389664.

The previous prime is 823013. The next prime is 823033. The reversal of 823028 is 820328.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 822994 and 823012.

It is a congruent number.

It is an unprimeable number.

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, 9875 + ... + 9957.

It is an arithmetic number, because the mean of its divisors is an integer number (63308).

2⁸²³⁰²⁸ is an apocalyptic number.

It is an amenable number.

823028 is a deficient number, since it is larger than the sum of its proper divisors (696364).

823028 is a wasteful number, since it uses less digits than its factorization.

823028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 823028 is about 907.2089064819. The cubic root of 823028 is about 93.7140852061.

The spelling of 823028 in words is "eight hundred twenty-three thousand, twenty-eight".