4005106 has 16 divisors (see below), whose sum is σ = 7026624. Its totient is φ = 1676304.

The previous prime is 4005091. The next prime is 4005119. The reversal of 4005106 is 6015004.

It is a self number, because there is not a number n which added to its sum of digits gives 4005106.

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, 2725 + ... + 3928.

It is an arithmetic number, because the mean of its divisors is an integer number (439164).

Almost surely, 2^4005106 is an apocalyptic number.

4005106 is a deficient number, since it is larger than the sum of its proper divisors (3021518).

4005106 is a wasteful number, since it uses less digits than its factorization.

4005106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6705.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4005106 is about 2001.2760928967. The cubic root of 4005106 is about 158.8076203920.

The spelling of 4005106 in words is "four million, five thousand, one hundred six".