2101796 has 12 divisors (see below), whose sum is σ = 3716748. Its totient is φ = 1039872.

The previous prime is 2101789. The next prime is 2101807. The reversal of 2101796 is 6971012.

It can be written as a sum of positive squares in 2 ways, for example, as 504100 + 1597696 = 710^2 + 1264^2 .

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 3 ways as a sum of consecutive naturals, for example, 2321 + ... + 3096.

It is an arithmetic number, because the mean of its divisors is an integer number (309729).

2^2101796 is an apocalyptic number.

It is an amenable number.

2101796 is a deficient number, since it is larger than the sum of its proper divisors (1614952).

2101796 is a wasteful number, since it uses less digits than its factorization.

2101796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518 (or 5516 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 2101796 is about 1449.7572210546. The cubic root of 2101796 is about 128.0944127659.

The spelling of 2101796 in words is "two million, one hundred one thousand, seven hundred ninety-six".