328158 has 32 divisors (see below), whose sum is σ = 748800. Its totient is φ = 106488.

The previous prime is 328129. The next prime is 328171. The reversal of 328158 is 851823.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

328158 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 15 ways as a sum of consecutive naturals, for example, 3135 + ... + 3237.

It is an arithmetic number, because the mean of its divisors is an integer number (23400).

2³²⁸¹⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374400).

328158 is an abundant number, since it is smaller than the sum of its proper divisors (420642).

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

328158 is a wasteful number, since it uses less digits than its factorization.

328158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 167 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 328158 is about 572.8507659068. The cubic root of 328158 is about 68.9754165732.

Adding to 328158 its product of digits (1920), we get a triangular number (330078 = T₈₁₂).

It can be divided in two parts, 32815 and 8, that added together give a palindrome (32823).

The spelling of 328158 in words is "three hundred twenty-eight thousand, one hundred fifty-eight".