16842889 has 8 divisors (see below), whose sum is σ = 19870208. Its totient is φ = 13970880.

The previous prime is 16842887. The next prime is 16842899. The reversal of 16842889 is 98824861.

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

It is not a de Polignac number, because 16842889 - 2¹ = 16842887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16842883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38592 + ... + 39025.

It is an arithmetic number, because the mean of its divisors is an integer number (2483776).

Almost surely, 2^16842889 is an apocalyptic number.

It is an amenable number.

16842889 is a deficient number, since it is larger than the sum of its proper divisors (3027319).

16842889 is an equidigital number, since it uses as much as digits as its factorization.

16842889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77655.

The product of its digits is 221184, while the sum is 46.

The square root of 16842889 is about 4104.0088937525. The cubic root of 16842889 is about 256.3335952524. Note that the first 3 decimals are identical.

The spelling of 16842889 in words is "sixteen million, eight hundred forty-two thousand, eight hundred eighty-nine".