43428589 has 8 divisors (see below), whose sum is σ = 43917120. Its totient is φ = 42942816.

The previous prime is 43428587. The next prime is 43428607. The reversal of 43428589 is 98582434.

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 43428589 - 2¹ = 43428587 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 (43428587) 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, 48742 + ... + 49624.

It is an arithmetic number, because the mean of its divisors is an integer number (5489640).

Almost surely, 2^43428589 is an apocalyptic number.

It is an amenable number.

43428589 is a deficient number, since it is larger than the sum of its proper divisors (488531).

43428589 is a wasteful number, since it uses less digits than its factorization.

43428589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its digits is 276480, while the sum is 43.

The square root of 43428589 is about 6590.0371015648. The cubic root of 43428589 is about 351.4999274935.

The spelling of 43428589 in words is "forty-three million, four hundred twenty-eight thousand, five hundred eighty-nine".