328906 has 8 divisors (see below), whose sum is σ = 504000. Its totient is φ = 160908.

The previous prime is 328901. The next prime is 328919. The reversal of 328906 is 609823.

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

It is not an unprimeable number, because it can be changed into a prime (328901) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1656 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (63000).

2³²⁸⁹⁰⁶ is an apocalyptic number.

328906 is a deficient number, since it is larger than the sum of its proper divisors (175094).

328906 is a wasteful number, since it uses less digits than its factorization.

328906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 328906 is about 573.5032693891. The cubic root of 328906 is about 69.0277840918.

It can be divided in two parts, 32890 and 6, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 328906 in words is "three hundred twenty-eight thousand, nine hundred six".