2040187 has 4 divisors (see below), whose sum is σ = 2160216. Its totient is φ = 1920160.

The previous prime is 2040173. The next prime is 2040191. The reversal of 2040187 is 7810402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7810402 = 2 ⋅3905201.

It is a cyclic number.

It is not a de Polignac number, because 2040187 - 2¹¹ = 2038139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040107) 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, 59989 + ... + 60022.

It is an arithmetic number, because the mean of its divisors is an integer number (540054).

2^2040187 is an apocalyptic number.

2040187 is a deficient number, since it is larger than the sum of its proper divisors (120029).

2040187 is a wasteful number, since it uses less digits than its factorization.

2040187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120028.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2040187 is about 1428.3511473024. The cubic root of 2040187 is about 126.8303892439.

Adding to 2040187 its reverse (7810402), we get a palindrome (9850589).

The spelling of 2040187 in words is "two million, forty thousand, one hundred eighty-seven".