1026823 has 6 divisors (see below), whose sum is σ = 1176584. Its totient is φ = 877836.

The previous prime is 1026811. The next prime is 1026829. The reversal of 1026823 is 3286201.

It is not a de Polignac number, because 1026823 - 2⁵ = 1026791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1026794 and 1026803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2490 + ... + 2872.

2^1026823 is an apocalyptic number.

1026823 is a deficient number, since it is larger than the sum of its proper divisors (149761).

1026823 is an frugal number, since it uses more digits than its factorization.

1026823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1026823 is about 1013.3227521377. The cubic root of 1026823 is about 100.8862228889.

It can be divided in two parts, 1026 and 823, that added together give a square (1849 = 43²).

The spelling of 1026823 in words is "one million, twenty-six thousand, eight hundred twenty-three".