328458 has 16 divisors (see below), whose sum is σ = 707616. Its totient is φ = 101040.

The previous prime is 328439. The next prime is 328481. The reversal of 328458 is 854823.

It is a d-powerful number, because it can be written as 3⁴ + 2¹⁸ + 4⁸ + 8 + 5⁴ + 8² .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (44226).

2³²⁸⁴⁵⁸ is an apocalyptic number.

328458 is an abundant number, since it is smaller than the sum of its proper divisors (379158).

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

328458 is a wasteful number, since it uses less digits than its factorization.

328458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229.

The product of its digits is 7680, while the sum is 30.

The square root of 328458 is about 573.1125543905. The cubic root of 328458 is about 68.9964291368.

The spelling of 328458 in words is "three hundred twenty-eight thousand, four hundred fifty-eight".