320016 has 40 divisors (see below), whose sum is σ = 848160. Its totient is φ = 103936.

The previous prime is 320011. The next prime is 320027. The reversal of 320016 is 610023.

320016 is nontrivially palindromic in base 15.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 319983 and 320010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320011) by changing a digit.

320016 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, 2776 + ... + 2888.

It is an arithmetic number, because the mean of its divisors is an integer number (21204).

2³²⁰⁰¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424080).

320016 is an abundant number, since it is smaller than the sum of its proper divisors (528144).

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

320016 is a wasteful number, since it uses less digits than its factorization.

320016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 320016 is about 565.6995669081. The cubic root of 320016 is about 68.4001778320.

Adding to 320016 its reverse (610023), we get a palindrome (930039).

The spelling of 320016 in words is "three hundred twenty thousand, sixteen".