329305 has 8 divisors (see below), whose sum is σ = 401472. Its totient is φ = 259248.

The previous prime is 329299. The next prime is 329309. The reversal of 329305 is 503923.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 329305 - 2³ = 329297 is a prime.

It is a Duffinian number.

329305 is a lucky number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (329309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (50184).

2³²⁹³⁰⁵ is an apocalyptic number.

It is an amenable number.

329305 is a deficient number, since it is larger than the sum of its proper divisors (72167).

329305 is an equidigital number, since it uses as much as digits as its factorization.

329305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 329305 is about 573.8510259641. The cubic root of 329305 is about 69.0556856363.

The spelling of 329305 in words is "three hundred twenty-nine thousand, three hundred five".