2108866 has 8 divisors (see below), whose sum is σ = 3184704. Its totient is φ = 1047300.

The previous prime is 2108857. The next prime is 2108879. The reversal of 2108866 is 6688012.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3190 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (398088).

2^2108866 is an apocalyptic number.

2108866 is a deficient number, since it is larger than the sum of its proper divisors (1075838).

2108866 is a wasteful number, since it uses less digits than its factorization.

2108866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2108866 is about 1452.1935132757. The cubic root of 2108866 is about 128.2378795827.

The spelling of 2108866 in words is "two million, one hundred eight thousand, eight hundred sixty-six".