2000989 has 2 divisors, whose sum is σ = 2000990. Its totient is φ = 2000988.

The previous prime is 2000969. The next prime is 2001037. The reversal of 2000989 is 9890002.

It is a happy number.

2000989 is nontrivially palindromic in base 11.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172889 + 828100 = 1083^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000989 - 2¹³ = 1992797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000939) 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, 1000494 + 1000495.

It is an arithmetic number, because the mean of its divisors is an integer number (1000495).

2^2000989 is an apocalyptic number.

It is an amenable number.

2000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000989 is an equidigital number, since it uses as much as digits as its factorization.

2000989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2000989 is about 1414.5631834598. The cubic root of 2000989 is about 126.0128692659.

The spelling of 2000989 in words is "two million, nine hundred eighty-nine", and thus it is an aban number.