16684328 has 16 divisors (see below), whose sum is σ = 31661280. Its totient is φ = 8241328.

The previous prime is 16684319. The next prime is 16684331. The reversal of 16684328 is 82348661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16684291 and 16684300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11900 + ... + 13227.

It is an arithmetic number, because the mean of its divisors is an integer number (1978830).

Almost surely, 2^16684328 is an apocalyptic number.

It is an amenable number.

16684328 is a deficient number, since it is larger than the sum of its proper divisors (14976952).

16684328 is a wasteful number, since it uses less digits than its factorization.

16684328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25216 (or 25212 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 16684328 is about 4084.6453946457. The cubic root of 16684328 is about 255.5266725882.

The spelling of 16684328 in words is "sixteen million, six hundred eighty-four thousand, three hundred twenty-eight".