2039989 has 8 divisors (see below), whose sum is σ = 2352960. Its totient is φ = 1732416.

The previous prime is 2039981. The next prime is 2039993. The reversal of 2039989 is 9899302.

It is a happy number.

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

It is not a de Polignac number, because 2039989 - 2³ = 2039981 is a prime.

It is a Duffinian number.

2039989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039981) 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 in 7 ways as a sum of consecutive naturals, for example, 499 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (294120).

2^2039989 is an apocalyptic number.

It is an amenable number.

2039989 is a deficient number, since it is larger than the sum of its proper divisors (312971).

2039989 is a wasteful number, since it uses less digits than its factorization.

2039989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 2039989 is about 1428.2818349331. The cubic root of 2039989 is about 126.8262861511.

The spelling of 2039989 in words is "two million, thirty-nine thousand, nine hundred eighty-nine".