2106680 has 16 divisors (see below), whose sum is σ = 4740120. Its totient is φ = 842656.

The previous prime is 2106679. The next prime is 2106733. The reversal of 2106680 is 866012.

2106680 is nontrivially palindromic in base 7.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 26294 + ... + 26373.

2^2106680 is an apocalyptic number.

2106680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106680 is an abundant number, since it is smaller than the sum of its proper divisors (2633440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2106680 is a wasteful number, since it uses less digits than its factorization.

2106680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52678 (or 52674 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2106680 is about 1451.4406636167. The cubic root of 2106680 is about 128.1935548254.

The spelling of 2106680 in words is "two million, one hundred six thousand, six hundred eighty".