4004042 has 16 divisors (see below), whose sum is σ = 6927552. Its totient is φ = 1700160.

The previous prime is 4004023. The next prime is 4004057. The reversal of 4004042 is 2404004.

4004042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 7 ways as a sum of consecutive naturals, for example, 317 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (432972).

Almost surely, 2^4004042 is an apocalyptic number.

4004042 is a deficient number, since it is larger than the sum of its proper divisors (2923510).

4004042 is a wasteful number, since it uses less digits than its factorization.

4004042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4004042 is about 2001.0102448513. The cubic root of 4004042 is about 158.7935561556.

Adding to 4004042 its reverse (2404004), we get a palindrome (6408046).

The spelling of 4004042 in words is "four million, four thousand, forty-two", and thus it is an eban number.