2040365 has 16 divisors (see below), whose sum is σ = 2585520. Its totient is φ = 1543680.

The previous prime is 2040361. The next prime is 2040377. The reversal of 2040365 is 5630402.

It can be written as a sum of positive squares in 8 ways, for example, as 292681 + 1747684 = 541^2 + 1322^2 .

It is not a de Polignac number, because 2040365 - 2² = 2040361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7451 + ... + 7719.

It is an arithmetic number, because the mean of its divisors is an integer number (161595).

2^2040365 is an apocalyptic number.

It is an amenable number.

2040365 is a deficient number, since it is larger than the sum of its proper divisors (545155).

2040365 is a wasteful number, since it uses less digits than its factorization.

2040365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2040365 is about 1428.4134555513. The cubic root of 2040365 is about 126.8340776562.

Adding to 2040365 its reverse (5630402), we get a palindrome (7670767).

The spelling of 2040365 in words is "two million, forty thousand, three hundred sixty-five".