328534 has 4 divisors (see below), whose sum is σ = 492804. Its totient is φ = 164266.

The previous prime is 328519. The next prime is 328543. The reversal of 328534 is 435823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435823 = 37 ⋅11779.

It is a junction number, because it is equal to n+sod(n) for n = 328499 and 328508.

It is a congruent number.

It is an unprimeable number.

328534 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 as a sum of consecutive naturals, namely, 82132 + ... + 82135.

It is an arithmetic number, because the mean of its divisors is an integer number (123201).

2³²⁸⁵³⁴ is an apocalyptic number.

328534 is a deficient number, since it is larger than the sum of its proper divisors (164270).

328534 is a wasteful number, since it uses less digits than its factorization.

328534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164269.

The product of its digits is 2880, while the sum is 25.

The square root of 328534 is about 573.1788551578. The cubic root of 328534 is about 69.0017502882.

Subtracting from 328534 its sum of digits (25), we obtain a cube (328509 = 69³).

The spelling of 328534 in words is "three hundred twenty-eight thousand, five hundred thirty-four".