2000797 has 4 divisors (see below), whose sum is σ = 2069820. Its totient is φ = 1931776.

The previous prime is 2000767. The next prime is 2000807. The reversal of 2000797 is 7970002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 622521 + 1378276 = 789^2 + 1174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000797 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34468 + ... + 34525.

It is an arithmetic number, because the mean of its divisors is an integer number (517455).

2^2000797 is an apocalyptic number.

It is an amenable number.

2000797 is a deficient number, since it is larger than the sum of its proper divisors (69023).

2000797 is an equidigital number, since it uses as much as digits as its factorization.

2000797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69022.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 2000797 is about 1414.4953163585. The cubic root of 2000797 is about 126.0088387182.

Adding to 2000797 its reverse (7970002), we get a palindrome (9970799).

The spelling of 2000797 in words is "two million, seven hundred ninety-seven", and thus it is an aban number.