1028823 has 8 divisors (see below), whose sum is σ = 1452528. Its totient is φ = 645504.

The previous prime is 1028809. The next prime is 1028837. The reversal of 1028823 is 3288201.

It is an interprime number because it is at equal distance from previous prime (1028809) and next prime (1028837).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1028823 - 2¹⁰ = 1027799 is a prime.

It is a super-3 number, since 3×1028823³ = 3266955723408233301, which contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1028793 and 1028802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028803) 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, 10036 + ... + 10137.

It is an arithmetic number, because the mean of its divisors is an integer number (181566).

2^1028823 is an apocalyptic number.

1028823 is a deficient number, since it is larger than the sum of its proper divisors (423705).

1028823 is a wasteful number, since it uses less digits than its factorization.

1028823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20193.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1028823 is about 1014.3091244783. The cubic root of 1028823 is about 100.9516809689.

The spelling of 1028823 in words is "one million, twenty-eight thousand, eight hundred twenty-three".