16869219 has 12 divisors (see below), whose sum is σ = 23894424. Its totient is φ = 10584064.

The previous prime is 16869199. The next prime is 16869227. The reversal of 16869219 is 91296861.

It is not a de Polignac number, because 16869219 - 2⁵ = 16869187 is a prime.

It is a super-2 number, since 2×16869219² = 569141099339922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16869269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8862 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (1991202).

Almost surely, 2^16869219 is an apocalyptic number.

16869219 is a deficient number, since it is larger than the sum of its proper divisors (7025205).

16869219 is a wasteful number, since it uses less digits than its factorization.

16869219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19494 (or 19477 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 16869219 is about 4107.2154801033. The cubic root of 16869219 is about 256.4670986682.

The spelling of 16869219 in words is "sixteen million, eight hundred sixty-nine thousand, two hundred nineteen".