3638325 has 24 divisors (see below), whose sum is σ = 6076000. Its totient is φ = 1920960.

The previous prime is 3638303. The next prime is 3638333. The reversal of 3638325 is 5238363.

3638325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3638325 - 2⁵ = 3638293 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3638292 and 3638301.

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 in 23 ways as a sum of consecutive naturals, for example, 10251 + ... + 10599.

Almost surely, 2^3638325 is an apocalyptic number.

It is an amenable number.

3638325 is a deficient number, since it is larger than the sum of its proper divisors (2437675).

3638325 is a wasteful number, since it uses less digits than its factorization.

3638325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 496 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 3638325 is about 1907.4393830473. The cubic root of 3638325 is about 153.8038346742.

The spelling of 3638325 in words is "three million, six hundred thirty-eight thousand, three hundred twenty-five".