16985473 has 8 divisors (see below), whose sum is σ = 17557056. Its totient is φ = 16422000.

The previous prime is 16985459. The next prime is 16985497. The reversal of 16985473 is 37458961.

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

It is a cyclic number.

It is not a de Polignac number, because 16985473 - 2¹³ = 16977281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16985443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388 + ... + 6298.

It is an arithmetic number, because the mean of its divisors is an integer number (2194632).

Almost surely, 2^16985473 is an apocalyptic number.

It is an amenable number.

16985473 is a deficient number, since it is larger than the sum of its proper divisors (571583).

16985473 is a wasteful number, since it uses less digits than its factorization.

16985473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055.

The product of its digits is 181440, while the sum is 43.

The square root of 16985473 is about 4121.3435915973. The cubic root of 16985473 is about 257.0548970022.

The spelling of 16985473 in words is "sixteen million, nine hundred eighty-five thousand, four hundred seventy-three".