523726 has 8 divisors (see below), whose sum is σ = 897840. Its totient is φ = 224448.

The previous prime is 523717. The next prime is 523729. The reversal of 523726 is 627325.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 523726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18691 + ... + 18718.

It is an arithmetic number, because the mean of its divisors is an integer number (112230).

2⁵²³⁷²⁶ is an apocalyptic number.

523726 is a deficient number, since it is larger than the sum of its proper divisors (374114).

523726 is a wasteful number, since it uses less digits than its factorization.

523726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37418.

The product of its digits is 2520, while the sum is 25.

The square root of 523726 is about 723.6891597917. The cubic root of 523726 is about 80.6061252213.

The spelling of 523726 in words is "five hundred twenty-three thousand, seven hundred twenty-six".