324400224 has 96 divisors (see below), whose sum is σ = 900910080. Its totient is φ = 101924352.

The previous prime is 324400199. The next prime is 324400249. The reversal of 324400224 is 422004423.

It is an interprime number because it is at equal distance from previous prime (324400199) and next prime (324400249).

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 324400224.

It is a congruent number.

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, 534129 + ... + 534735.

It is an arithmetic number, because the mean of its divisors is an integer number (9384480).

Almost surely, 2^324400224 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 324400224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450455040).

324400224 is an abundant number, since it is smaller than the sum of its proper divisors (576509856).

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

324400224 is a wasteful number, since it uses less digits than its factorization.

324400224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 324400224 is about 18011.1139022549. The cubic root of 324400224 is about 687.1112329400. Note that the first 3 decimals are identical.

Adding to 324400224 its reverse (422004423), we get a palindrome (746404647).

The spelling of 324400224 in words is "three hundred twenty-four million, four hundred thousand, two hundred twenty-four".