16889208 has 64 divisors (see below), whose sum is σ = 48576000. Its totient is φ = 4793472.

The previous prime is 16889189. The next prime is 16889221. The reversal of 16889208 is 80298861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 16889208.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 38253 + ... + 38691.

It is an arithmetic number, because the mean of its divisors is an integer number (759000).

Almost surely, 2^16889208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16889208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24288000).

16889208 is an abundant number, since it is smaller than the sum of its proper divisors (31686792).

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

16889208 is a wasteful number, since it uses less digits than its factorization.

16889208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 16889208 is about 4109.6481601227. The cubic root of 16889208 is about 256.5683579953.

The spelling of 16889208 in words is "sixteen million, eight hundred eighty-nine thousand, two hundred eight".