328733 has 4 divisors (see below), whose sum is σ = 332220. Its totient is φ = 325248.

The previous prime is 328721. The next prime is 328753. The reversal of 328733 is 337823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 337823 = 499 ⋅677.

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 76729 = 502^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 328733 - 2¹² = 324637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598 + ... + 1791.

It is an arithmetic number, because the mean of its divisors is an integer number (83055).

2³²⁸⁷³³ is an apocalyptic number.

It is an amenable number.

328733 is a deficient number, since it is larger than the sum of its proper divisors (3487).

328733 is an equidigital number, since it uses as much as digits as its factorization.

328733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486.

The product of its digits is 3024, while the sum is 26.

The square root of 328733 is about 573.3524221628. The cubic root of 328733 is about 69.0156794165.

The spelling of 328733 in words is "three hundred twenty-eight thousand, seven hundred thirty-three".