4239424 has 28 divisors (see below), whose sum is σ = 9615424. Its totient is φ = 1816704.

The previous prime is 4239419. The next prime is 4239449. The reversal of 4239424 is 4249324.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 4 + 2⁷ + 3⁹ + 9³ + 4⁷ + 2¹³ + 4¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 4239392 and 4239401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4284 + ... + 5179.

It is an arithmetic number, because the mean of its divisors is an integer number (343408).

Almost surely, 2^4239424 is an apocalyptic number.

It is an amenable number.

4239424 is an abundant number, since it is smaller than the sum of its proper divisors (5376000).

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

4239424 is an equidigital number, since it uses as much as digits as its factorization.

4239424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9482 (or 9472 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 4239424 is about 2058.9861582828. The cubic root of 4239424 is about 161.8461171467.

The spelling of 4239424 in words is "four million, two hundred thirty-nine thousand, four hundred twenty-four".