16985284 has 12 divisors (see below), whose sum is σ = 29804544. Its totient is φ = 8469704.

The previous prime is 16985263. The next prime is 16985317. The reversal of 16985284 is 48258961.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16985284.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4012 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (2483712).

Almost surely, 2^16985284 is an apocalyptic number.

It is an amenable number.

16985284 is a deficient number, since it is larger than the sum of its proper divisors (12819260).

16985284 is a wasteful number, since it uses less digits than its factorization.

16985284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11474 (or 11472 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 16985284 is about 4121.3206621179. The cubic root of 16985284 is about 257.0539435687.

The spelling of 16985284 in words is "sixteen million, nine hundred eighty-five thousand, two hundred eighty-four".