2168008 has 16 divisors (see below), whose sum is σ = 4080780. Its totient is φ = 1079808.

The previous prime is 2167999. The next prime is 2168009. The reversal of 2168008 is 8008612.

It can be written as a sum of positive squares in 2 ways, for example, as 2022084 + 145924 = 1422^2 + 382^2 .

It is not an unprimeable number, because it can be changed into a prime (2168009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3360 + ... + 3952.

2^2168008 is an apocalyptic number.

It is an amenable number.

2168008 is a deficient number, since it is larger than the sum of its proper divisors (1912772).

2168008 is a wasteful number, since it uses less digits than its factorization.

2168008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 2168008 is about 1472.4157021711. The cubic root of 2168008 is about 129.4256317339.

The spelling of 2168008 in words is "two million, one hundred sixty-eight thousand, eight".