2000039 has 2 divisors, whose sum is σ = 2000040. Its totient is φ = 2000038.

The previous prime is 2000029. The next prime is 2000081. The reversal of 2000039 is 9300002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000039 is a prime.

It is a Sophie Germain prime.

2000039 is a modest number, since divided by 39 gives 2 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1999987 and 2000032.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000029) 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 as a sum of consecutive naturals, namely, 1000019 + 1000020.

It is an arithmetic number, because the mean of its divisors is an integer number (1000020).

2^2000039 is an apocalyptic number.

2000039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000039 is an equidigital number, since it uses as much as digits as its factorization.

2000039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2000039 is about 1414.2273508881. The cubic root of 2000039 is about 125.9929239328.

The spelling of 2000039 in words is "two million, thirty-nine", and thus it is an aban number and an uban number.