4320324 has 48 divisors (see below), whose sum is σ = 11334400. Its totient is φ = 1423008.

The previous prime is 4320319. The next prime is 4320341. The reversal of 4320324 is 4230234.

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

It is a junction number, because it is equal to n+sod(n) for n = 4320297 and 4320306.

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, 11589 + ... + 11955.

Almost surely, 2^4320324 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 4320324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5667200).

4320324 is an abundant number, since it is smaller than the sum of its proper divisors (7014076).

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

4320324 is a wasteful number, since it uses less digits than its factorization.

4320324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 481 counting only the distinct ones).

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

The square root of 4320324 is about 2078.5389099076. The cubic root of 4320324 is about 162.8691285203.

Adding to 4320324 its reverse (4230234), we get a palindrome (8550558).

The spelling of 4320324 in words is "four million, three hundred twenty thousand, three hundred twenty-four".