2106606 has 32 divisors (see below), whose sum is σ = 4700160. Its totient is φ = 625536.

The previous prime is 2106563. The next prime is 2106617. The reversal of 2106606 is 6066012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1395 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (146880).

2^2106606 is an apocalyptic number.

2106606 is an abundant number, since it is smaller than the sum of its proper divisors (2593554).

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

2106606 is a wasteful number, since it uses less digits than its factorization.

2106606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2106606 is about 1451.4151714792. The cubic root of 2106606 is about 128.1920538168.

The spelling of 2106606 in words is "two million, one hundred six thousand, six hundred six".