16684336 has 20 divisors (see below), whose sum is σ = 33200752. Its totient is φ = 8116416.

The previous prime is 16684331. The next prime is 16684471. The reversal of 16684336 is 63348661.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 16684295 and 16684304.

It is not an unprimeable number, because it can be changed into a prime (16684331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13500 + ... + 14683.

Almost surely, 2^16684336 is an apocalyptic number.

16684336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16684336 is a deficient number, since it is larger than the sum of its proper divisors (16516416).

16684336 is a wasteful number, since it uses less digits than its factorization.

16684336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28228 (or 28222 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 16684336 is about 4084.6463739227. The cubic root of 16684336 is about 255.5267134292.

It can be divided in two parts, 16684 and 336, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 16684336 in words is "sixteen million, six hundred eighty-four thousand, three hundred thirty-six".