328810 has 16 divisors (see below), whose sum is σ = 598752. Its totient is φ = 130000.

The previous prime is 328789. The next prime is 328813. The reversal of 328810 is 18823.

It is a super-2 number, since 2×328810² = 216232032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328813) by changing a digit.

328810 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 1185 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (37422).

2³²⁸⁸¹⁰ is an apocalyptic number.

328810 is a deficient number, since it is larger than the sum of its proper divisors (269942).

328810 is a wasteful number, since it uses less digits than its factorization.

328810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 328810 is about 573.4195671583. The cubic root of 328810 is about 69.0210675709.

The spelling of 328810 in words is "three hundred twenty-eight thousand, eight hundred ten".