2109960 has 48 divisors (see below), whose sum is σ = 6858540. Its totient is φ = 562560.

The previous prime is 2109959. The next prime is 2109973. The reversal of 2109960 is 699012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2090916 + 19044 = 1446^2 + 138^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2571 + ... + 3290.

2^2109960 is an apocalyptic number.

2109960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2109960 is an abundant number, since it is smaller than the sum of its proper divisors (4748580).

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

2109960 is a wasteful number, since it uses less digits than its factorization.

2109960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878 (or 5871 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2109960 is about 1452.5701360003. The cubic root of 2109960 is about 128.2600507381.

The spelling of 2109960 in words is "two million, one hundred nine thousand, nine hundred sixty".