524424 has 16 divisors (see below), whose sum is σ = 1311120. Its totient is φ = 174800.

The previous prime is 524413. The next prime is 524429. The reversal of 524424 is 424425.

It is a self number, because there is not a number n which added to its sum of digits gives 524424.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 524424.

It is not an unprimeable number, because it can be changed into a prime (524429) by changing a digit.

524424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10902 + ... + 10949.

It is an arithmetic number, because the mean of its divisors is an integer number (81945).

2⁵²⁴⁴²⁴ is an apocalyptic number.

It is an amenable number.

524424 is an abundant number, since it is smaller than the sum of its proper divisors (786696).

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

524424 is a wasteful number, since it uses less digits than its factorization.

524424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21860 (or 21856 counting only the distinct ones).

The product of its digits is 1280, while the sum is 21.

The square root of 524424 is about 724.1712504650. The cubic root of 524424 is about 80.6419188098.

Adding to 524424 its reverse (424425), we get a palindrome (948849).

Subtracting from 524424 its reverse (424425), we obtain a palindrome (99999).

The spelling of 524424 in words is "five hundred twenty-four thousand, four hundred twenty-four".