4089389 has 8 divisors (see below), whose sum is σ = 4349280. Its totient is φ = 3834000.

The previous prime is 4089347. The next prime is 4089413. The reversal of 4089389 is 9839804.

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 4089389 - 2⁸ = 4089133 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 (4089089) 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, 854 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (543660).

Almost surely, 2^4089389 is an apocalyptic number.

It is an amenable number.

4089389 is a deficient number, since it is larger than the sum of its proper divisors (259891).

4089389 is a wasteful number, since it uses less digits than its factorization.

4089389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 4089389 is about 2022.2237759457. The cubic root of 4089389 is about 159.9138729174.

The spelling of 4089389 in words is "four million, eighty-nine thousand, three hundred eighty-nine".