4005424 has 20 divisors (see below), whose sum is σ = 7820680. Its totient is φ = 1987200.

The previous prime is 4005377. The next prime is 4005433. The reversal of 4005424 is 4245004.

4005424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324 + ... + 3124.

It is an arithmetic number, because the mean of its divisors is an integer number (391034).

Almost surely, 2^4005424 is an apocalyptic number.

It is an amenable number.

4005424 is a deficient number, since it is larger than the sum of its proper divisors (3815256).

4005424 is a wasteful number, since it uses less digits than its factorization.

4005424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4005424 is about 2001.3555406274. The cubic root of 4005424 is about 158.8118233175.

The spelling of 4005424 in words is "four million, five thousand, four hundred twenty-four".