2108980 has 12 divisors (see below), whose sum is σ = 4428900. Its totient is φ = 843584.

The previous prime is 2108957. The next prime is 2108983. The reversal of 2108980 is 898012.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 1313316 = 892^2 + 1146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108983) 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, 52705 + ... + 52744.

It is an arithmetic number, because the mean of its divisors is an integer number (369075).

2^2108980 is an apocalyptic number.

2108980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108980 is an abundant number, since it is smaller than the sum of its proper divisors (2319920).

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

2108980 is a wasteful number, since it uses less digits than its factorization.

2108980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105458 (or 105456 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 2108980 is about 1452.2327637125. The cubic root of 2108980 is about 128.2401902803.

The spelling of 2108980 in words is "two million, one hundred eight thousand, nine hundred eighty".