826423 has 8 divisors (see below), whose sum is σ = 898016. Its totient is φ = 756000.

The previous prime is 826411. The next prime is 826453. The reversal of 826423 is 324628.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 826423 - 2⁵ = 826391 is a prime.

It is a d-powerful number, because it can be written as 8² + 2¹⁴ + 4⁷ + 6 + 2¹⁸ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826403) by changing a digit.

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, 1753 + ... + 2173.

It is an arithmetic number, because the mean of its divisors is an integer number (112252).

2⁸²⁶⁴²³ is an apocalyptic number.

826423 is a deficient number, since it is larger than the sum of its proper divisors (71593).

826423 is a wasteful number, since it uses less digits than its factorization.

826423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its digits is 2304, while the sum is 25.

The square root of 826423 is about 909.0781044553. The cubic root of 826423 is about 93.8427656596.

The spelling of 826423 in words is "eight hundred twenty-six thousand, four hundred twenty-three".