2103980 has 12 divisors (see below), whose sum is σ = 4418400. Its totient is φ = 841584.

The previous prime is 2103977. The next prime is 2103989. The reversal of 2103980 is 893012.

It is not an unprimeable number, because it can be changed into a prime (2103989) 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, 52580 + ... + 52619.

It is an arithmetic number, because the mean of its divisors is an integer number (368200).

2^2103980 is an apocalyptic number.

2103980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103980 is an abundant number, since it is smaller than the sum of its proper divisors (2314420).

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

2103980 is a wasteful number, since it uses less digits than its factorization.

2103980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105208 (or 105206 counting only the distinct ones).

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

The square root of 2103980 is about 1450.5102550482. The cubic root of 2103980 is about 128.1387655248.

Adding to 2103980 its reverse (893012), we get a palindrome (2996992).

The spelling of 2103980 in words is "two million, one hundred three thousand, nine hundred eighty".