329906 has 4 divisors (see below), whose sum is σ = 494862. Its totient is φ = 164952.

The previous prime is 329899. The next prime is 329941. The reversal of 329906 is 609923.

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

It can be written as a sum of positive squares in only one way, i.e., 286225 + 43681 = 535^2 + 209^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 82475 + ... + 82478.

2³²⁹⁹⁰⁶ is an apocalyptic number.

329906 is a deficient number, since it is larger than the sum of its proper divisors (164956).

329906 is a wasteful number, since it uses less digits than its factorization.

329906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164955.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 329906 is about 574.3744423283. The cubic root of 329906 is about 69.0976702651.

The spelling of 329906 in words is "three hundred twenty-nine thousand, nine hundred six".