329215 has 4 divisors (see below), whose sum is σ = 395064. Its totient is φ = 263368.

The previous prime is 329209. The next prime is 329233. The reversal of 329215 is 512923.

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 329215 - 2³ = 329207 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32917 + ... + 32926.

It is an arithmetic number, because the mean of its divisors is an integer number (98766).

2³²⁹²¹⁵ is an apocalyptic number.

329215 is a deficient number, since it is larger than the sum of its proper divisors (65849).

329215 is an equidigital number, since it uses as much as digits as its factorization.

329215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65848.

The product of its digits is 540, while the sum is 22.

The square root of 329215 is about 573.7726030406. The cubic root of 329215 is about 69.0493940242.

The spelling of 329215 in words is "three hundred twenty-nine thousand, two hundred fifteen".