328616 has 8 divisors (see below), whose sum is σ = 616170. Its totient is φ = 164304.

The previous prime is 328591. The next prime is 328619. The reversal of 328616 is 616823.

It can be written as a sum of positive squares in only one way, i.e., 206116 + 122500 = 454^2 + 350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328616.

It is not an unprimeable number, because it can be changed into a prime (328619) by changing a digit.

328616 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 as a sum of consecutive naturals, namely, 20531 + ... + 20546.

2³²⁸⁶¹⁶ is an apocalyptic number.

It is an amenable number.

328616 is a deficient number, since it is larger than the sum of its proper divisors (287554).

328616 is a wasteful number, since it uses less digits than its factorization.

328616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41083 (or 41079 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 328616 is about 573.2503815960. The cubic root of 328616 is about 69.0074906102.

The spelling of 328616 in words is "three hundred twenty-eight thousand, six hundred sixteen".