328870 has 8 divisors (see below), whose sum is σ = 591984. Its totient is φ = 131544.

The previous prime is 328849. The next prime is 328883. The reversal of 328870 is 78823.

It is a happy number.

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

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 16434 + ... + 16453.

It is an arithmetic number, because the mean of its divisors is an integer number (73998).

2³²⁸⁸⁷⁰ is an apocalyptic number.

328870 is a deficient number, since it is larger than the sum of its proper divisors (263114).

328870 is a wasteful number, since it uses less digits than its factorization.

328870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32894.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 328870 is about 573.4718824842. The cubic root of 328870 is about 69.0252655497.

Subtracting from 328870 its reverse (78823), we obtain a cube (250047 = 63³).

The spelling of 328870 in words is "three hundred twenty-eight thousand, eight hundred seventy".