2040285 has 16 divisors (see below), whose sum is σ = 3515904. Its totient is φ = 1004352.

The previous prime is 2040281. The next prime is 2040287. The reversal of 2040285 is 5820402.

It is not a de Polignac number, because 2040285 - 2² = 2040281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040281) 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 15 ways as a sum of consecutive naturals, for example, 5037 + ... + 5426.

It is an arithmetic number, because the mean of its divisors is an integer number (219744).

2^2040285 is an apocalyptic number.

It is an amenable number.

2040285 is a deficient number, since it is larger than the sum of its proper divisors (1475619).

2040285 is a wasteful number, since it uses less digits than its factorization.

2040285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10484.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2040285 is about 1428.3854521802. The cubic root of 2040285 is about 126.8324199694.

Adding to 2040285 its reverse (5820402), we get a palindrome (7860687).

The spelling of 2040285 in words is "two million, forty thousand, two hundred eighty-five".