2605696 has 16 divisors (see below), whose sum is σ = 5191290. Its totient is φ = 1302784.

The previous prime is 2605663. The next prime is 2605741. The reversal of 2605696 is 6965062.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 462400 = 1464^2 + 680^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051 + ... + 10306.

2^2605696 is an apocalyptic number.

It is an amenable number.

2605696 is a deficient number, since it is larger than the sum of its proper divisors (2585594).

2605696 is an equidigital number, since it uses as much as digits as its factorization.

2605696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20371 (or 20359 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 2605696 is about 1614.2168379744. The cubic root of 2605696 is about 137.6072287531.

The spelling of 2605696 in words is "two million, six hundred five thousand, six hundred ninety-six".