439580989 has 8 divisors (see below), whose sum is σ = 450823680. Its totient is φ = 428417136.

The previous prime is 439580983. The next prime is 439581001. The reversal of 439580989 is 989085934.

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 439580989 - 2⁵ = 439580957 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 (439580983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8334 + ... + 30799.

It is an arithmetic number, because the mean of its divisors is an integer number (56352960).

Almost surely, 2^439580989 is an apocalyptic number.

It is an amenable number.

439580989 is a deficient number, since it is larger than the sum of its proper divisors (11242691).

439580989 is a wasteful number, since it uses less digits than its factorization.

439580989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39419.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 439580989 is about 20966.1868016099. The cubic root of 439580989 is about 760.3489792730.

The spelling of 439580989 in words is "four hundred thirty-nine million, five hundred eighty thousand, nine hundred eighty-nine".