2102668 has 18 divisors (see below), whose sum is σ = 3809148. Its totient is φ = 1015560.

The previous prime is 2102651. The next prime is 2102687. The reversal of 2102668 is 8662012.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3571 + ... + 4117.

2^2102668 is an apocalyptic number.

It is an amenable number.

2102668 is a deficient number, since it is larger than the sum of its proper divisors (1706480).

2102668 is a wasteful number, since it uses less digits than its factorization.

2102668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2102668 is about 1450.0579298773. The cubic root of 2102668 is about 128.1121250596.

The spelling of 2102668 in words is "two million, one hundred two thousand, six hundred sixty-eight".