2669568 has 88 divisors (see below), whose sum is σ = 7860480. Its totient is φ = 798720.

The previous prime is 2669549. The next prime is 2669581. The reversal of 2669568 is 8659662.

It is a tau number, because it is divible by the number of its divisors (88).

It is a congruent number.

It is an unprimeable number.

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, 33753 + ... + 33831.

2^2669568 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 2669568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3930240).

2669568 is an abundant number, since it is smaller than the sum of its proper divisors (5190912).

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

2669568 is a wasteful number, since it uses less digits than its factorization.

2669568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 95 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 2669568 is about 1633.8812686361. The cubic root of 2669568 is about 138.7225284464.

The spelling of 2669568 in words is "two million, six hundred sixty-nine thousand, five hundred sixty-eight".