523826 has 8 divisors (see below), whose sum is σ = 804144. Its totient is φ = 255780.

The previous prime is 523801. The next prime is 523829. The reversal of 523826 is 628325.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 523795 and 523804.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 523826.

It is not an unprimeable number, because it can be changed into a prime (523829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2960 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (100518).

2⁵²³⁸²⁶ is an apocalyptic number.

523826 is a deficient number, since it is larger than the sum of its proper divisors (280318).

523826 is a wasteful number, since it uses less digits than its factorization.

523826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6136.

The product of its digits is 2880, while the sum is 26.

The square root of 523826 is about 723.7582469306. The cubic root of 523826 is about 80.6112551935.

The spelling of 523826 in words is "five hundred twenty-three thousand, eight hundred twenty-six".