320046 has 16 divisors (see below), whose sum is σ = 656208. Its totient is φ = 104000.

The previous prime is 320041. The next prime is 320053. The reversal of 320046 is 640023.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320041) by changing a digit.

320046 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405 + ... + 896.

It is an arithmetic number, because the mean of its divisors is an integer number (41013).

2³²⁰⁰⁴⁶ is an apocalyptic number.

320046 is an abundant number, since it is smaller than the sum of its proper divisors (336162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320046 is a wasteful number, since it uses less digits than its factorization.

320046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320046 is about 565.7260821281. The cubic root of 320046 is about 68.4023151639.

Adding to 320046 its reverse (640023), we get a palindrome (960069).

The spelling of 320046 in words is "three hundred twenty thousand, forty-six".