2101960 has 32 divisors (see below), whose sum is σ = 5405760. Its totient is φ = 720576.

The previous prime is 2101909. The next prime is 2101961. The reversal of 2101960 is 691012.

It is not an unprimeable number, because it can be changed into a prime (2101961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3474 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (168930).

2^2101960 is an apocalyptic number.

2101960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101960 is an abundant number, since it is smaller than the sum of its proper divisors (3303800).

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

2101960 is a wasteful number, since it uses less digits than its factorization.

2101960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525 (or 7521 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2101960 is about 1449.8137811457. The cubic root of 2101960 is about 128.0977443511.

Adding to 2101960 its reverse (691012), we get a palindrome (2792972).

The spelling of 2101960 in words is "two million, one hundred one thousand, nine hundred sixty".