2108740 has 12 divisors (see below), whose sum is σ = 4428396. Its totient is φ = 843488.

The previous prime is 2108737. The next prime is 2108759. The reversal of 2108740 is 478012.

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 1758276 = 592^2 + 1326^2 .

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, 52699 + ... + 52738.

It is an arithmetic number, because the mean of its divisors is an integer number (369033).

2^2108740 is an apocalyptic number.

2108740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108740 is an abundant number, since it is smaller than the sum of its proper divisors (2319656).

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

2108740 is a wasteful number, since it uses less digits than its factorization.

2108740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105446 (or 105444 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2108740 is about 1452.1501299797. The cubic root of 2108740 is about 128.2353255569.

The spelling of 2108740 in words is "two million, one hundred eight thousand, seven hundred forty".