324345320 has 64 divisors (see below), whose sum is σ = 789581520. Its totient is φ = 119199744.

The previous prime is 324345299. The next prime is 324345341. The reversal of 324345320 is 23543423.

It is an interprime number because it is at equal distance from previous prime (324345299) and next prime (324345341).

It can be written as a sum of positive squares in 8 ways, for example, as 417316 + 323928004 = 646^2 + 17998^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 324345320.

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, 119822 + ... + 122498.

Almost surely, 2^324345320 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 324345320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394790760).

324345320 is an abundant number, since it is smaller than the sum of its proper divisors (465236200).

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

324345320 is a wasteful number, since it uses less digits than its factorization.

324345320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934 (or 2930 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 324345320 is about 18009.5896677298. The cubic root of 324345320 is about 687.0724667485.

Adding to 324345320 its reverse (23543423), we get a palindrome (347888743).

The spelling of 324345320 in words is "three hundred twenty-four million, three hundred forty-five thousand, three hundred twenty".