324665472 has 64 divisors (see below), whose sum is σ = 880790400. Its totient is φ = 105913344.

The previous prime is 324665459. The next prime is 324665479. The reversal of 324665472 is 274566423.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-4 number, since 4×324665472⁴ (a number of 35 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 324665472.

It is not an unprimeable number, because it can be changed into a prime (324665479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9054 + ... + 27042.

It is an arithmetic number, because the mean of its divisors is an integer number (13762350).

Almost surely, 2^324665472 is an apocalyptic number.

324665472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324665472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440395200).

324665472 is an abundant number, since it is smaller than the sum of its proper divisors (556124928).

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

324665472 is a wasteful number, since it uses less digits than its factorization.

324665472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18053 (or 18041 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 324665472 is about 18018.4758511923. The cubic root of 324665472 is about 687.2984556106.

The spelling of 324665472 in words is "three hundred twenty-four million, six hundred sixty-five thousand, four hundred seventy-two".