326424 has 64 divisors (see below), whose sum is σ = 979200. Its totient is φ = 88704.

The previous prime is 326369. The next prime is 326437. The reversal of 326424 is 424623.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 326424.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326424.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4839 + ... + 4905.

It is an arithmetic number, because the mean of its divisors is an integer number (15300).

326424 is a Friedman number, since it can be written as 42*(6^(3+2)-4), using all its digits and the basic arithmetic operations.

2³²⁶⁴²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489600).

326424 is an abundant number, since it is smaller than the sum of its proper divisors (652776).

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

326424 is a wasteful number, since it uses less digits than its factorization.

326424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 108 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 326424 is about 571.3352780986. The cubic root of 326424 is about 68.8537123373.

The spelling of 326424 in words is "three hundred twenty-six thousand, four hundred twenty-four".