2109308 has 6 divisors (see below), whose sum is σ = 3691296. Its totient is φ = 1054652.

The previous prime is 2109293. The next prime is 2109311. The reversal of 2109308 is 8039012.

2109308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263660 + ... + 263667.

It is an arithmetic number, because the mean of its divisors is an integer number (615216).

2^2109308 is an apocalyptic number.

It is an amenable number.

2109308 is a deficient number, since it is larger than the sum of its proper divisors (1581988).

2109308 is a wasteful number, since it uses less digits than its factorization.

2109308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527331 (or 527329 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2109308 is about 1452.3456888771. The cubic root of 2109308 is about 128.2468381388.

The spelling of 2109308 in words is "two million, one hundred nine thousand, three hundred eight".