328172 has 12 divisors (see below), whose sum is σ = 618576. Its totient is φ = 151440.

The previous prime is 328171. The next prime is 328177. The reversal of 328172 is 271823.

It is a super-3 number, since 3×328172³ = 106029283379233344, which contains 333 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328172.

It is not an unprimeable number, because it can be changed into a prime (328171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104 + ... + 3207.

It is an arithmetic number, because the mean of its divisors is an integer number (51548).

2³²⁸¹⁷² is an apocalyptic number.

It is an amenable number.

328172 is a deficient number, since it is larger than the sum of its proper divisors (290404).

328172 is a wasteful number, since it uses less digits than its factorization.

328172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328 (or 6326 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 328172 is about 572.8629853639. The cubic root of 328172 is about 68.9763974443.

Adding to 328172 its reverse (271823), we get a palindrome (599995).

The spelling of 328172 in words is "three hundred twenty-eight thousand, one hundred seventy-two".