320097 has 4 divisors (see below), whose sum is σ = 426800. Its totient is φ = 213396.

The previous prime is 320083. The next prime is 320101. The reversal of 320097 is 790023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 320097 - 2⁴ = 320081 is a prime.

It is a D-number.

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 320097.

It is not an unprimeable number, because it can be changed into a prime (320027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53347 + ... + 53352.

It is an arithmetic number, because the mean of its divisors is an integer number (106700).

2³²⁰⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

320097 is a deficient number, since it is larger than the sum of its proper divisors (106703).

320097 is a wasteful number, since it uses less digits than its factorization.

320097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106702.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 320097 is about 565.7711551502. The cubic root of 320097 is about 68.4059483217.

It can be divided in two parts, 3 and 20097, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 320097 in words is "three hundred twenty thousand, ninety-seven".