320047 has 8 divisors (see below), whose sum is σ = 394016. Its totient is φ = 253152.

The previous prime is 320041. The next prime is 320053. The reversal of 320047 is 740023.

It is an interprime number because it is at equal distance from previous prime (320041) and next prime (320053).

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 320047 - 2³ = 320039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320047.

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 320047.

It is not an unprimeable number, because it can be changed into a prime (320041) 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, 1668 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (49252).

2³²⁰⁰⁴⁷ is an apocalyptic number.

320047 is a deficient number, since it is larger than the sum of its proper divisors (73969).

320047 is a wasteful number, since it uses less digits than its factorization.

320047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 320047 is about 565.7269659474. The cubic root of 320047 is about 68.4023864060.

The spelling of 320047 in words is "three hundred twenty thousand, forty-seven", and thus it is an iban number.