827826 has 16 divisors (see below), whose sum is σ = 1664928. Its totient is φ = 274400.

The previous prime is 827821. The next prime is 827833. The reversal of 827826 is 628728.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (827821) 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, 1441 + ... + 1931.

It is an arithmetic number, because the mean of its divisors is an integer number (104058).

2⁸²⁷⁸²⁶ is an apocalyptic number.

827826 is an abundant number, since it is smaller than the sum of its proper divisors (837102).

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

827826 is a wasteful number, since it uses less digits than its factorization.

827826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

The product of its digits is 10752, while the sum is 33.

The square root of 827826 is about 909.8494380940. The cubic root of 827826 is about 93.8958405636.

It can be divided in two parts, 827 and 826, that added together give a triangular number (1653 = T₅₇).

The spelling of 827826 in words is "eight hundred twenty-seven thousand, eight hundred twenty-six".