324432 has 40 divisors (see below), whose sum is σ = 932480. Its totient is φ = 108000.

The previous prime is 324431. The next prime is 324437. The reversal of 324432 is 234423.

It is a super-2 number, since 2×324432² = 210512245248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (23312).

2³²⁴⁴³² 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 324432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466240).

324432 is an abundant number, since it is smaller than the sum of its proper divisors (608048).

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

324432 is a wasteful number, since it uses less digits than its factorization.

324432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 756 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 324432 is about 569.5893257427. The cubic root of 324432 is about 68.7133667094.

Adding to 324432 its reverse (234423), we get a palindrome (558855).

Subtracting from 324432 its reverse (234423), we obtain a palindrome (90009).

The spelling of 324432 in words is "three hundred twenty-four thousand, four hundred thirty-two".