1324224 has 126 divisors (see below), whose sum is σ = 4391660. Its totient is φ = 380160.

The previous prime is 1324223. The next prime is 1324261. The reversal of 1324224 is 4224231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1324197 and 1324206.

It is not an unprimeable number, because it can be changed into a prime (1324223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 69687 + ... + 69705.

2^1324224 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 1324224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195830).

1324224 is an abundant number, since it is smaller than the sum of its proper divisors (3067436).

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

1324224 is a wasteful number, since it uses less digits than its factorization.

1324224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59 (or 35 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 1324224 is about 1150.7493210947. The cubic root of 1324224 is about 109.8130156667.

Adding to 1324224 its reverse (4224231), we get a palindrome (5548455).

It can be divided in two parts, 132 and 4224, that added together give a square (4356 = 66²).

The spelling of 1324224 in words is "one million, three hundred twenty-four thousand, two hundred twenty-four".