16889408 has 28 divisors (see below), whose sum is σ = 33741360. Its totient is φ = 8387712.

The previous prime is 16889407. The next prime is 16889447. The reversal of 16889408 is 80498861.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16889407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9623 + ... + 11241.

Almost surely, 2^16889408 is an apocalyptic number.

It is an amenable number.

16889408 is a deficient number, since it is larger than the sum of its proper divisors (16851952).

16889408 is a wasteful number, since it uses less digits than its factorization.

16889408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 16889408 is about 4109.6724930340. The cubic root of 16889408 is about 256.5693707420.

The spelling of 16889408 in words is "sixteen million, eight hundred eighty-nine thousand, four hundred eight".