16987914 has 16 divisors (see below), whose sum is σ = 37751040. Its totient is φ = 5662620.

The previous prime is 16987909. The next prime is 16987963. The reversal of 16987914 is 41978961.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16987914.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157242 + ... + 157349.

It is an arithmetic number, because the mean of its divisors is an integer number (2359440).

Almost surely, 2^16987914 is an apocalyptic number.

16987914 is an abundant number, since it is smaller than the sum of its proper divisors (20763126).

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

16987914 is a wasteful number, since it uses less digits than its factorization.

16987914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314602 (or 314596 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 16987914 is about 4121.6397222465. The cubic root of 16987914 is about 257.0672102879.

The spelling of 16987914 in words is "sixteen million, nine hundred eighty-seven thousand, nine hundred fourteen".