2006989 has 8 divisors (see below), whose sum is σ = 2143040. Its totient is φ = 1874016.

The previous prime is 2006959. The next prime is 2007001. The reversal of 2006989 is 9896002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2006989 - 2¹⁵ = 1974221 is a prime.

It is a super-2 number, since 2×2006989² = 8056009692242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664 + ... + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (267880).

2^2006989 is an apocalyptic number.

It is an amenable number.

2006989 is a deficient number, since it is larger than the sum of its proper divisors (136051).

2006989 is a wasteful number, since it uses less digits than its factorization.

2006989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 2006989 is about 1416.6823920696. The cubic root of 2006989 is about 126.1386941735.

The spelling of 2006989 in words is "two million, six thousand, nine hundred eighty-nine".