320007 has 4 divisors (see below), whose sum is σ = 426680. Its totient is φ = 213336.

The previous prime is 319993. The next prime is 320009. The reversal of 320007 is 700023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700023 = 3 ⋅233341.

It is not a de Polignac number, because 320007 - 2¹¹ = 317959 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

320007 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 319974 and 320001.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320007.

It is not an unprimeable number, because it can be changed into a prime (320009) 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, 53332 + ... + 53337.

It is an arithmetic number, because the mean of its divisors is an integer number (106670).

2³²⁰⁰⁰⁷ is an apocalyptic number.

320007 is a deficient number, since it is larger than the sum of its proper divisors (106673).

320007 is a wasteful number, since it uses less digits than its factorization.

320007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106672.

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 320007 is about 565.6916120997. The cubic root of 320007 is about 68.3995366064.

The spelling of 320007 in words is "three hundred twenty thousand, seven", and thus it is an iban number.