2001796 has 12 divisors (see below), whose sum is σ = 3522652. Its totient is φ = 995328.

The previous prime is 2001793. The next prime is 2001799. The reversal of 2001796 is 6971002.

It is an interprime number because it is at equal distance from previous prime (2001793) and next prime (2001799).

It can be written as a sum of positive squares in 2 ways, for example, as 835396 + 1166400 = 914^2 + 1080^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001793) 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, 525 + ... + 2068.

2^2001796 is an apocalyptic number.

It is an amenable number.

2001796 is a deficient number, since it is larger than the sum of its proper divisors (1520856).

2001796 is a wasteful number, since it uses less digits than its factorization.

2001796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2001796 is about 1414.8484017731. The cubic root of 2001796 is about 126.0298073429.

Adding to 2001796 its reverse (6971002), we get a palindrome (8972798).

The spelling of 2001796 in words is "two million, one thousand, seven hundred ninety-six".