2106308 has 12 divisors (see below), whose sum is σ = 3701292. Its totient is φ = 1048800.

The previous prime is 2106301. The next prime is 2106311. The reversal of 2106308 is 8036012.

It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 1844164 = 512^2 + 1358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2106308.

It is not an unprimeable number, because it can be changed into a prime (2106301) 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, 158 + ... + 2058.

It is an arithmetic number, because the mean of its divisors is an integer number (308441).

2^2106308 is an apocalyptic number.

It is an amenable number.

2106308 is a deficient number, since it is larger than the sum of its proper divisors (1594984).

2106308 is a wasteful number, since it uses less digits than its factorization.

2106308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2106308 is about 1451.3125094204. The cubic root of 2106308 is about 128.1860088589.

The spelling of 2106308 in words is "two million, one hundred six thousand, three hundred eight".