320089 has 8 divisors (see below), whose sum is σ = 399168. Its totient is φ = 249360.

The previous prime is 320083. The next prime is 320101. The reversal of 320089 is 980023.

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 320089 - 2³ = 320081 is a prime.

320089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (320081) 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, 2002 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (49896).

2³²⁰⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

320089 is a deficient number, since it is larger than the sum of its proper divisors (79079).

320089 is a wasteful number, since it uses less digits than its factorization.

320089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 320089 is about 565.7640851097. The cubic root of 320089 is about 68.4053784401.

The spelling of 320089 in words is "three hundred twenty thousand, eighty-nine".