16988473 has 8 divisors (see below), whose sum is σ = 17541216. Its totient is φ = 16442400.

The previous prime is 16988399. The next prime is 16988501. The reversal of 16988473 is 37488961.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16988473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16989473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3790 + ... + 6952.

It is an arithmetic number, because the mean of its divisors is an integer number (2192652).

Almost surely, 2^16988473 is an apocalyptic number.

It is an amenable number.

16988473 is a deficient number, since it is larger than the sum of its proper divisors (552743).

16988473 is a wasteful number, since it uses less digits than its factorization.

16988473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335.

The product of its digits is 290304, while the sum is 46.

The square root of 16988473 is about 4121.7075345056. The cubic root of 16988473 is about 257.0700299198.

The spelling of 16988473 in words is "sixteen million, nine hundred eighty-eight thousand, four hundred seventy-three".