328493 has 4 divisors (see below), whose sum is σ = 358368. Its totient is φ = 298620.

The previous prime is 328481. The next prime is 328511. The reversal of 328493 is 394823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 328493 - 2⁶ = 328429 is a prime.

It is a d-powerful number, because it can be written as 3 + 2¹⁵ + 4⁹ + 8⁵ + 9² + 3⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328093) 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, 14921 + ... + 14942.

It is an arithmetic number, because the mean of its divisors is an integer number (89592).

328493 is a Friedman number, since it can be written as (9*8-3)^3-2^4, using all its digits and the basic arithmetic operations.

2³²⁸⁴⁹³ is an apocalyptic number.

It is an amenable number.

328493 is a deficient number, since it is larger than the sum of its proper divisors (29875).

328493 is a wasteful number, since it uses less digits than its factorization.

328493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29874.

The product of its digits is 5184, while the sum is 29.

The square root of 328493 is about 573.1430885913. The cubic root of 328493 is about 68.9988797690.

The spelling of 328493 in words is "three hundred twenty-eight thousand, four hundred ninety-three".