328816 has 10 divisors (see below), whose sum is σ = 637112. Its totient is φ = 164400.

The previous prime is 328813. The next prime is 328829. The reversal of 328816 is 618823.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10260 + ... + 10291.

2³²⁸⁸¹⁶ is an apocalyptic number.

It is an amenable number.

328816 is a deficient number, since it is larger than the sum of its proper divisors (308296).

328816 is a wasteful number, since it uses less digits than its factorization.

328816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20559 (or 20553 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 328816 is about 573.4247989057. The cubic root of 328816 is about 69.0214873918.

The spelling of 328816 in words is "three hundred twenty-eight thousand, eight hundred sixteen".