16889356 has 24 divisors (see below), whose sum is σ = 32933376. Its totient is φ = 7512720.

The previous prime is 16889317. The next prime is 16889359. The reversal of 16889356 is 65398861.

It is not an unprimeable number, because it can be changed into a prime (16889359) 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, 2016 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (1372224).

Almost surely, 2^16889356 is an apocalyptic number.

It is an amenable number.

16889356 is a deficient number, since it is larger than the sum of its proper divisors (16044020).

16889356 is a wasteful number, since it uses less digits than its factorization.

16889356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229 (or 8227 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 16889356 is about 4109.6661664909. Note that the first 3 decimals coincide. The cubic root of 16889356 is about 256.5691074286.

The spelling of 16889356 in words is "sixteen million, eight hundred eighty-nine thousand, three hundred fifty-six".