320297 has 8 divisors (see below), whose sum is σ = 344736. Its totient is φ = 296512.

The previous prime is 320293. The next prime is 320303. The reversal of 320297 is 792023.

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 320297 - 2² = 320293 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320297.

It is not an unprimeable number, because it can be changed into a prime (320291) 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, 1298 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (43092).

2³²⁰²⁹⁷ is an apocalyptic number.

It is an amenable number.

320297 is a deficient number, since it is larger than the sum of its proper divisors (24439).

320297 is a wasteful number, since it uses less digits than its factorization.

320297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 320297 is about 565.9478774587. The cubic root of 320297 is about 68.4201922761.

The spelling of 320297 in words is "three hundred twenty thousand, two hundred ninety-seven".