324561380 has 96 divisors (see below), whose sum is σ = 805569408. Its totient is φ = 108288000.

The previous prime is 324561361. The next prime is 324561383. The reversal of 324561380 is 83165423.

It is not an unprimeable number, because it can be changed into a prime (324561383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 809180 + ... + 809580.

It is an arithmetic number, because the mean of its divisors is an integer number (8391348).

Almost surely, 2^324561380 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 324561380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402784704).

324561380 is an abundant number, since it is smaller than the sum of its proper divisors (481008028).

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

324561380 is a wasteful number, since it uses less digits than its factorization.

324561380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 324561380 is about 18015.5871400296. The cubic root of 324561380 is about 687.2249954656.

The spelling of 324561380 in words is "three hundred twenty-four million, five hundred sixty-one thousand, three hundred eighty".