4006006 has 8 divisors (see below), whose sum is σ = 6202944. Its totient is φ = 1938360.

The previous prime is 4006001. The next prime is 4006007. The reversal of 4006006 is 6006004.

4006006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

4006006 is a modest number, since divided by 6006 gives 4 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006001) by changing a digit.

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, 32245 + ... + 32368.

It is an arithmetic number, because the mean of its divisors is an integer number (775368).

Almost surely, 2^4006006 is an apocalyptic number.

4006006 is a deficient number, since it is larger than the sum of its proper divisors (2196938).

4006006 is a wasteful number, since it uses less digits than its factorization.

4006006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64646.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4006006 is about 2001.5009367972. The cubic root of 4006006 is about 158.8195148882.

The spelling of 4006006 in words is "four million, six thousand, six", and thus it is an eban number.