2169344 has 40 divisors (see below), whose sum is σ = 4583040. Its totient is φ = 1022976.

The previous prime is 2169331. The next prime is 2169359. The reversal of 2169344 is 4439612.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9617 + ... + 9839.

It is an arithmetic number, because the mean of its divisors is an integer number (114576).

2^2169344 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 2169344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2291520).

2169344 is an abundant number, since it is smaller than the sum of its proper divisors (2413696).

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

2169344 is an equidigital number, since it uses as much as digits as its factorization.

2169344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 244 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 2169344 is about 1472.8693085267. The cubic root of 2169344 is about 129.4522117616.

The spelling of 2169344 in words is "two million, one hundred sixty-nine thousand, three hundred forty-four".