4043420 has 24 divisors (see below), whose sum is σ = 8700048. Its totient is φ = 1577600.

The previous prime is 4043411. The next prime is 4043437. The reversal of 4043420 is 243404.

4043420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646 + ... + 3285.

It is an arithmetic number, because the mean of its divisors is an integer number (362502).

Almost surely, 2^4043420 is an apocalyptic number.

It is an amenable number.

4043420 is an abundant number, since it is smaller than the sum of its proper divisors (4656628).

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

4043420 is a wasteful number, since it uses less digits than its factorization.

4043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981 (or 4979 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4043420 is about 2010.8257010492. The cubic root of 4043420 is about 159.3124139752.

Adding to 4043420 its reverse (243404), we get a palindrome (4286824).

The spelling of 4043420 in words is "four million, forty-three thousand, four hundred twenty".