3638696 has 16 divisors (see below), whose sum is σ = 6844500. Its totient is φ = 1813504.

The previous prime is 3638653. The next prime is 3638699. The reversal of 3638696 is 6968363.

3638696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3290596 + 348100 = 1814^2 + 590^2 .

It is not an unprimeable number, because it can be changed into a prime (3638699) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3086 + ... + 4098.

Almost surely, 2^3638696 is an apocalyptic number.

It is an amenable number.

3638696 is a deficient number, since it is larger than the sum of its proper divisors (3205804).

3638696 is a wasteful number, since it uses less digits than its factorization.

3638696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 1464 counting only the distinct ones).

The product of its digits is 139968, while the sum is 41.

The square root of 3638696 is about 1907.5366313652. The cubic root of 3638696 is about 153.8090622889.

It can be divided in two parts, 3638 and 696, that added together give a palindrome (4334).

The spelling of 3638696 in words is "three million, six hundred thirty-eight thousand, six hundred ninety-six".