170328 has 32 divisors (see below), whose sum is σ = 437760. Its totient is φ = 55200.

The previous prime is 170327. The next prime is 170341. The reversal of 170328 is 823071.

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 170328.

It is not an unprimeable number, because it can be changed into a prime (170327) 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, 1053 + ... + 1203.

It is an arithmetic number, because the mean of its divisors is an integer number (13680).

2¹⁷⁰³²⁸ 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 170328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218880).

170328 is an abundant number, since it is smaller than the sum of its proper divisors (267432).

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

170328 is a wasteful number, since it uses less digits than its factorization.

170328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 170328 is about 412.7081293117. The cubic root of 170328 is about 55.4321872847.

Adding to 170328 its reverse (823071), we get a palindrome (993399).

The spelling of 170328 in words is "one hundred seventy thousand, three hundred twenty-eight".