2660896 has 36 divisors (see below), whose sum is σ = 6097518. Its totient is φ = 1139712.

The previous prime is 2660887. The next prime is 2660899. The reversal of 2660896 is 6980662.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 1073296 = 1260^2 + 1036^2 .

It is not an unprimeable number, because it can be changed into a prime (2660899) 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 5 ways as a sum of consecutive naturals, for example, 720 + ... + 2416.

2^2660896 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 2660896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048759).

2660896 is an abundant number, since it is smaller than the sum of its proper divisors (3436622).

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

2660896 is a wasteful number, since it uses less digits than its factorization.

2660896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2660896 is about 1631.2253063265. The cubic root of 2660896 is about 138.5721537092.

The spelling of 2660896 in words is "two million, six hundred sixty thousand, eight hundred ninety-six".