2103786940 has 12 divisors (see below), whose sum is σ = 4417952616. Its totient is φ = 841514768.

The previous prime is 2103786889. The next prime is 2103786943. The reversal of 2103786940 is 496873012.

It is a junction number, because it is equal to n+sod(n) for n = 2103786893 and 2103786902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103786943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52594654 + ... + 52594693.

It is an arithmetic number, because the mean of its divisors is an integer number (368162718).

Almost surely, 2^2103786940 is an apocalyptic number.

2103786940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103786940 is an abundant number, since it is smaller than the sum of its proper divisors (2314165676).

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

2103786940 is a wasteful number, since it uses less digits than its factorization.

2103786940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105189356 (or 105189354 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2103786940 is about 45867.0572415541. The cubic root of 2103786940 is about 1281.3484609164.

The spelling of 2103786940 in words is "two billion, one hundred three million, seven hundred eighty-six thousand, nine hundred forty".