2133989 has 8 divisors (see below), whose sum is σ = 2507232. Its totient is φ = 1790640.

The previous prime is 2133973. The next prime is 2133991. The reversal of 2133989 is 9893312.

2133989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2133989 - 2⁴ = 2133973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133949) 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, 7319 + ... + 7604.

It is an arithmetic number, because the mean of its divisors is an integer number (313404).

2^2133989 is an apocalyptic number.

It is an amenable number.

2133989 is a deficient number, since it is larger than the sum of its proper divisors (373243).

2133989 is a wasteful number, since it uses less digits than its factorization.

2133989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14947.

The product of its digits is 11664, while the sum is 35.

The square root of 2133989 is about 1460.8179215768. The cubic root of 2133989 is about 128.7451049133.

The spelling of 2133989 in words is "two million, one hundred thirty-three thousand, nine hundred eighty-nine".