320946 has 16 divisors (see below), whose sum is σ = 648000. Its totient is φ = 105968.

The previous prime is 320941. The next prime is 320953. The reversal of 320946 is 649023.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320946.

It is not an unprimeable number, because it can be changed into a prime (320941) 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, 715 + ... + 1073.

It is an arithmetic number, because the mean of its divisors is an integer number (40500).

2³²⁰⁹⁴⁶ is an apocalyptic number.

320946 is an abundant number, since it is smaller than the sum of its proper divisors (327054).

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

320946 is a wasteful number, since it uses less digits than its factorization.

320946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 320946 is about 566.5209616598. The cubic root of 320946 is about 68.4663731092.

Adding to 320946 its reverse (649023), we get a palindrome (969969).

The spelling of 320946 in words is "three hundred twenty thousand, nine hundred forty-six".