2107940 has 12 divisors (see below), whose sum is σ = 4426716. Its totient is φ = 843168.

The previous prime is 2107939. The next prime is 2107961. The reversal of 2107940 is 497012.

2107940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 1493284 = 784^2 + 1222^2 .

It is a super-2 number, since 2×2107940² = 8886822087200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52679 + ... + 52718.

It is an arithmetic number, because the mean of its divisors is an integer number (368893).

2^2107940 is an apocalyptic number.

2107940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2107940 is an abundant number, since it is smaller than the sum of its proper divisors (2318776).

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

2107940 is a wasteful number, since it uses less digits than its factorization.

2107940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105406 (or 105404 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2107940 is about 1451.8746502367. The cubic root of 2107940 is about 128.2191071458.

The spelling of 2107940 in words is "two million, one hundred seven thousand, nine hundred forty".