2538636 has 24 divisors (see below), whose sum is σ = 5992560. Its totient is φ = 836352.

The previous prime is 2538623. The next prime is 2538659. The reversal of 2538636 is 6368352.

2538636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2538597 and 2538606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121 + ... + 2256.

It is an arithmetic number, because the mean of its divisors is an integer number (249690).

2^2538636 is an apocalyptic number.

It is an amenable number.

2538636 is an abundant number, since it is smaller than the sum of its proper divisors (3453924).

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

2538636 is a wasteful number, since it uses less digits than its factorization.

2538636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2471 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 2538636 is about 1593.3097627266. The cubic root of 2538636 is about 136.4164713241.

The spelling of 2538636 in words is "two million, five hundred thirty-eight thousand, six hundred thirty-six".