3638896 has 10 divisors (see below), whose sum is σ = 7050392. Its totient is φ = 1819440.

The previous prime is 3638879. The next prime is 3638903. The reversal of 3638896 is 6988363.

3638896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 113700 + ... + 113731.

Almost surely, 2^3638896 is an apocalyptic number.

It is an amenable number.

3638896 is a deficient number, since it is larger than the sum of its proper divisors (3411496).

3638896 is a wasteful number, since it uses less digits than its factorization.

3638896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227439 (or 227433 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 3638896 is about 1907.5890542777. The cubic root of 3638896 is about 153.8118802626.

The spelling of 3638896 in words is "three million, six hundred thirty-eight thousand, eight hundred ninety-six".