16994384 has 40 divisors (see below), whose sum is σ = 36164352. Its totient is φ = 7672320.

The previous prime is 16994371. The next prime is 16994387. The reversal of 16994384 is 48349961.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16994387) 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 7 ways as a sum of consecutive naturals, for example, 39032 + ... + 39464.

Almost surely, 2^16994384 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 16994384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18082176).

16994384 is an abundant number, since it is smaller than the sum of its proper divisors (19169968).

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

16994384 is a wasteful number, since it uses less digits than its factorization.

16994384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 669 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 16994384 is about 4122.4245293274. The cubic root of 16994384 is about 257.0998415995.

The spelling of 16994384 in words is "sixteen million, nine hundred ninety-four thousand, three hundred eighty-four".