16589244 has 72 divisors (see below), whose sum is σ = 45677520. Its totient is φ = 4671744.

The previous prime is 16589239. The next prime is 16589257. The reversal of 16589244 is 44298561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52174 + ... + 52490.

It is an arithmetic number, because the mean of its divisors is an integer number (634410).

Almost surely, 2^16589244 is an apocalyptic number.

16589244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16589244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22838760).

16589244 is an abundant number, since it is smaller than the sum of its proper divisors (29088276).

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

16589244 is a wasteful number, since it uses less digits than its factorization.

16589244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 418 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 16589244 is about 4072.9895654175. The cubic root of 16589244 is about 255.0403319520.

The spelling of 16589244 in words is "sixteen million, five hundred eighty-nine thousand, two hundred forty-four".