16919344 has 20 divisors (see below), whose sum is σ = 35303296. Its totient is φ = 7808832.

The previous prime is 16919327. The next prime is 16919381. The reversal of 16919344 is 44391961.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40464 + ... + 40879.

Almost surely, 2^16919344 is an apocalyptic number.

It is an amenable number.

16919344 is an abundant number, since it is smaller than the sum of its proper divisors (18383952).

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

16919344 is a wasteful number, since it uses less digits than its factorization.

16919344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81364 (or 81358 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 16919344 is about 4113.3130199390. The cubic root of 16919344 is about 256.7208685965.

The spelling of 16919344 in words is "sixteen million, nine hundred nineteen thousand, three hundred forty-four".