16989324 has 96 divisors (see below), whose sum is σ = 46884096. Its totient is φ = 4730880.

The previous prime is 16989319. The next prime is 16989337. The reversal of 16989324 is 42398961.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150292 + ... + 150404.

It is an arithmetic number, because the mean of its divisors is an integer number (488376).

Almost surely, 2^16989324 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 16989324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23442048).

16989324 is an abundant number, since it is smaller than the sum of its proper divisors (29894772).

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

16989324 is a wasteful number, since it uses less digits than its factorization.

16989324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 213 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 16989324 is about 4121.8107671265. The cubic root of 16989324 is about 257.0743222998.

The spelling of 16989324 in words is "sixteen million, nine hundred eighty-nine thousand, three hundred twenty-four".