16689484 has 12 divisors (see below), whose sum is σ = 33379024. Its totient is φ = 7152624.

The previous prime is 16689481. The next prime is 16689503. The reversal of 16689484 is 48498661.

16689484 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (16689481) 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, 297999 + ... + 298054.

Almost surely, 2^16689484 is an apocalyptic number.

16689484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16689484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16689484 is a wasteful number, since it uses less digits than its factorization.

16689484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596064 (or 596062 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 16689484 is about 4085.2764900310. The cubic root of 16689484 is about 255.5529918947.

The spelling of 16689484 in words is "sixteen million, six hundred eighty-nine thousand, four hundred eighty-four".