2424321 has 12 divisors (see below), whose sum is σ = 3539172. Its totient is φ = 1598976.

The previous prime is 2424287. The next prime is 2424329. The reversal of 2424321 is 1234242.

It can be written as a sum of positive squares in 2 ways, for example, as 705600 + 1718721 = 840^2 + 1311^2 .

It is not a de Polignac number, because 2424321 - 2¹⁸ = 2162177 is a prime.

It is a super-2 number, since 2×2424321² = 11754664622082, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2424294 and 2424303.

It is not an unprimeable number, because it can be changed into a prime (2424329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516 + ... + 2261.

It is an arithmetic number, because the mean of its divisors is an integer number (294931).

2^2424321 is an apocalyptic number.

It is an amenable number.

2424321 is a deficient number, since it is larger than the sum of its proper divisors (1114851).

2424321 is a wasteful number, since it uses less digits than its factorization.

2424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880 (or 2877 counting only the distinct ones).

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

The square root of 2424321 is about 1557.0231212156. The cubic root of 2424321 is about 134.3373286143.

Adding to 2424321 its reverse (1234242), we get a palindrome (3658563).

The spelling of 2424321 in words is "two million, four hundred twenty-four thousand, three hundred twenty-one".