2040697 has 4 divisors (see below), whose sum is σ = 2160756. Its totient is φ = 1920640.

The previous prime is 2040679. The next prime is 2040719. The reversal of 2040697 is 7960402.

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 657721 + 1382976 = 811^2 + 1176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040607) 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, 60004 + ... + 60037.

It is an arithmetic number, because the mean of its divisors is an integer number (540189).

2^2040697 is an apocalyptic number.

It is an amenable number.

2040697 is a deficient number, since it is larger than the sum of its proper divisors (120059).

2040697 is a wasteful number, since it uses less digits than its factorization.

2040697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120058.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2040697 is about 1428.5296636752. The cubic root of 2040697 is about 126.8409565938.

It can be divided in two parts, 20406 and 97, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 2040697 in words is "two million, forty thousand, six hundred ninety-seven".