2000387 has 2 divisors, whose sum is σ = 2000388. Its totient is φ = 2000386.

The previous prime is 2000381. The next prime is 2000389. The reversal of 2000387 is 7830002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000387 - 2⁴ = 2000371 is a prime.

Together with 2000389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2000381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000193 + 1000194.

It is an arithmetic number, because the mean of its divisors is an integer number (1000194).

2^2000387 is an apocalyptic number.

2000387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000387 is an equidigital number, since it uses as much as digits as its factorization.

2000387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2000387 is about 1414.3503809170. The cubic root of 2000387 is about 126.0002309562. Note that the first 3 decimals are identical.

Adding to 2000387 its reverse (7830002), we get a palindrome (9830389).

The spelling of 2000387 in words is "two million, three hundred eighty-seven", and thus it is an aban number.