16989038 has 8 divisors (see below), whose sum is σ = 27800280. Its totient is φ = 7722280.

The previous prime is 16989013. The next prime is 16989079. The reversal of 16989038 is 83098961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 16989038.

It is a congruent number.

It is an unprimeable number.

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, 386093 + ... + 386136.

It is an arithmetic number, because the mean of its divisors is an integer number (3475035).

Almost surely, 2^16989038 is an apocalyptic number.

16989038 is a deficient number, since it is larger than the sum of its proper divisors (10811242).

16989038 is a wasteful number, since it uses less digits than its factorization.

16989038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772242.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 16989038 is about 4121.7760734906. The cubic root of 16989038 is about 257.0728797533.

The spelling of 16989038 in words is "sixteen million, nine hundred eighty-nine thousand, thirty-eight".