4320424 has 16 divisors (see below), whose sum is σ = 8123220. Its totient is φ = 2154240.

The previous prime is 4320419. The next prime is 4320443. The reversal of 4320424 is 4240234.

It can be written as a sum of positive squares in 2 ways, for example, as 3175524 + 1144900 = 1782^2 + 1070^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4464 + ... + 5344.

Almost surely, 2^4320424 is an apocalyptic number.

It is an amenable number.

4320424 is a deficient number, since it is larger than the sum of its proper divisors (3802796).

4320424 is a wasteful number, since it uses less digits than its factorization.

4320424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4320424 is about 2078.5629651276. The cubic root of 4320424 is about 162.8703851226.

Adding to 4320424 its reverse (4240234), we get a palindrome (8560658).

The spelling of 4320424 in words is "four million, three hundred twenty thousand, four hundred twenty-four".