328488 has 16 divisors (see below), whose sum is σ = 821280. Its totient is φ = 109488.

The previous prime is 328481. The next prime is 328511. The reversal of 328488 is 884823.

328488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×328488² = 215808732288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (328481) by changing a digit.

328488 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 3 ways as a sum of consecutive naturals, for example, 6820 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (51330).

2³²⁸⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

328488 is an abundant number, since it is smaller than the sum of its proper divisors (492792).

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

328488 is a wasteful number, since it uses less digits than its factorization.

328488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13696 (or 13692 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 328488 is about 573.1387266622. The cubic root of 328488 is about 68.9985296893.

Subtracting from 328488 its sum of digits (33), we obtain a triangular number (328455 = T₈₁₀).

The spelling of 328488 in words is "three hundred twenty-eight thousand, four hundred eighty-eight".