16986044 has 6 divisors (see below), whose sum is σ = 29725584. Its totient is φ = 8493020.

The previous prime is 16986037. The next prime is 16986049. The reversal of 16986044 is 44068961.

It is a junction number, because it is equal to n+sod(n) for n = 16985989 and 16986007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16986049) 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 as a sum of consecutive naturals, namely, 2123252 + ... + 2123259.

It is an arithmetic number, because the mean of its divisors is an integer number (4954264).

Almost surely, 2^16986044 is an apocalyptic number.

It is an amenable number.

16986044 is a deficient number, since it is larger than the sum of its proper divisors (12739540).

16986044 is a wasteful number, since it uses less digits than its factorization.

16986044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246515 (or 4246513 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 16986044 is about 4121.4128645405. The cubic root of 16986044 is about 257.0577774381.

The spelling of 16986044 in words is "sixteen million, nine hundred eighty-six thousand, forty-four".