4319989 has 8 divisors (see below), whose sum is σ = 4605120. Its totient is φ = 4038336.

The previous prime is 4319969. The next prime is 4319993. The reversal of 4319989 is 9899134.

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 4319989 - 2⁹ = 4319477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4319969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1992 + ... + 3550.

It is an arithmetic number, because the mean of its divisors is an integer number (575640).

Almost surely, 2^4319989 is an apocalyptic number.

It is an amenable number.

4319989 is a deficient number, since it is larger than the sum of its proper divisors (285131).

4319989 is a wasteful number, since it uses less digits than its factorization.

4319989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739.

The product of its digits is 69984, while the sum is 43.

The square root of 4319989 is about 2078.4583228922. The cubic root of 4319989 is about 162.8649187613.

The spelling of 4319989 in words is "four million, three hundred nineteen thousand, nine hundred eighty-nine".