324084640 has 96 divisors (see below), whose sum is σ = 849683520. Its totient is φ = 115814400.

The previous prime is 324084637. The next prime is 324084641. The reversal of 324084640 is 46480423.

It is not an unprimeable number, because it can be changed into a prime (324084641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102280 + ... + 105400.

It is an arithmetic number, because the mean of its divisors is an integer number (8850870).

Almost surely, 2^324084640 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 324084640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424841760).

324084640 is an abundant number, since it is smaller than the sum of its proper divisors (525598880).

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

324084640 is a wasteful number, since it uses less digits than its factorization.

324084640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206 (or 3198 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 324084640 is about 18002.3509575833. The cubic root of 324084640 is about 686.8883481109. Note that the first 3 decimals are identical.

It can be divided in two parts, 3240 and 84640, that multiplied together give a square (274233600 = 16560²).

The spelling of 324084640 in words is "three hundred twenty-four million, eighty-four thousand, six hundred forty".