328866 has 16 divisors (see below), whose sum is σ = 669600. Its totient is φ = 107648.

The previous prime is 328849. The next prime is 328883. The reversal of 328866 is 668823.

It is an interprime number because it is at equal distance from previous prime (328849) and next prime (328883).

It is an unprimeable number.

328866 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111 + ... + 818.

It is an arithmetic number, because the mean of its divisors is an integer number (41850).

2³²⁸⁸⁶⁶ is an apocalyptic number.

328866 is an abundant number, since it is smaller than the sum of its proper divisors (340734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328866 is a wasteful number, since it uses less digits than its factorization.

328866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993.

The product of its digits is 13824, while the sum is 33.

The square root of 328866 is about 573.4683949443. The cubic root of 328866 is about 69.0249857003.

The spelling of 328866 in words is "three hundred twenty-eight thousand, eight hundred sixty-six".