16869424 has 80 divisors (see below), whose sum is σ = 39309984. Its totient is φ = 6912000.

The previous prime is 16869421. The next prime is 16869451. The reversal of 16869424 is 42496861.

It is not an unprimeable number, because it can be changed into a prime (16869421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166974 + ... + 167074.

Almost surely, 2^16869424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16869424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19654992).

16869424 is an abundant number, since it is smaller than the sum of its proper divisors (22440560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16869424 is a wasteful number, since it uses less digits than its factorization.

16869424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 200 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 16869424 is about 4107.2404361079. The cubic root of 16869424 is about 256.4681375533.

The spelling of 16869424 in words is "sixteen million, eight hundred sixty-nine thousand, four hundred twenty-four".