2663696 has 40 divisors (see below), whose sum is σ = 6249600. Its totient is φ = 1073664.

The previous prime is 2663693. The next prime is 2663701. The reversal of 2663696 is 6963662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663693) 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 7 ways as a sum of consecutive naturals, for example, 1205 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

2^2663696 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 2663696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3124800).

2663696 is an abundant number, since it is smaller than the sum of its proper divisors (3585904).

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

2663696 is a wasteful number, since it uses less digits than its factorization.

2663696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1425 counting only the distinct ones).

The product of its digits is 69984, while the sum is 38.

The square root of 2663696 is about 1632.0833312059. The cubic root of 2663696 is about 138.6207421063.

The spelling of 2663696 in words is "two million, six hundred sixty-three thousand, six hundred ninety-six".