329983 has 4 divisors (see below), whose sum is σ = 334240. Its totient is φ = 325728.

The previous prime is 329977. The next prime is 329993. The reversal of 329983 is 389923.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 329983 - 2⁵ = 329951 is a prime.

It is a Duffinian number.

329983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010 + ... + 2167.

It is an arithmetic number, because the mean of its divisors is an integer number (83560).

2³²⁹⁹⁸³ is an apocalyptic number.

329983 is a deficient number, since it is larger than the sum of its proper divisors (4257).

329983 is an equidigital number, since it uses as much as digits as its factorization.

329983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256.

The product of its digits is 11664, while the sum is 34.

The square root of 329983 is about 574.4414678625. The cubic root of 329983 is about 69.1030456414.

The spelling of 329983 in words is "three hundred twenty-nine thousand, nine hundred eighty-three".