2103940 has 24 divisors (see below), whose sum is σ = 4495680. Its totient is φ = 826848.

The previous prime is 2103919. The next prime is 2103953. The reversal of 2103940 is 493012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289 + ... + 2071.

It is an arithmetic number, because the mean of its divisors is an integer number (187320).

2^2103940 is an apocalyptic number.

2103940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103940 is an abundant number, since it is smaller than the sum of its proper divisors (2391740).

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

2103940 is a wasteful number, since it uses less digits than its factorization.

2103940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2103940 is about 1450.4964667313. The cubic root of 2103940 is about 128.1379534792.

Adding to 2103940 its reverse (493012), we get a palindrome (2596952).

The spelling of 2103940 in words is "two million, one hundred three thousand, nine hundred forty".