329885 has 8 divisors (see below), whose sum is σ = 419256. Its totient is φ = 248320.

The previous prime is 329873. The next prime is 329891. The reversal of 329885 is 588923.

It can be written as a sum of positive squares in 4 ways, for example, as 85849 + 244036 = 293^2 + 494^2 .

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

It is not a de Polignac number, because 329885 - 2⁸ = 329629 is a prime.

It is a super-2 number, since 2×329885² = 217648226450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (52407).

2³²⁹⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

329885 is a deficient number, since it is larger than the sum of its proper divisors (89371).

329885 is a wasteful number, since it uses less digits than its factorization.

329885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903.

The product of its digits is 17280, while the sum is 35.

The square root of 329885 is about 574.3561612797. The cubic root of 329885 is about 69.0962041082.

The spelling of 329885 in words is "three hundred twenty-nine thousand, eight hundred eighty-five".