3638367 has 12 divisors (see below), whose sum is σ = 5532280. Its totient is φ = 2297808.

The previous prime is 3638351. The next prime is 3638407. The reversal of 3638367 is 7638363.

It is not a de Polignac number, because 3638367 - 2⁴ = 3638351 is a prime.

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

It is a Duffinian number.

3638367 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3638267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10468 + ... + 10809.

Almost surely, 2^3638367 is an apocalyptic number.

3638367 is a deficient number, since it is larger than the sum of its proper divisors (1893913).

3638367 is a wasteful number, since it uses less digits than its factorization.

3638367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21302 (or 21299 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3638367 is about 1907.4503925397. The cubic root of 3638367 is about 153.8044264975.

It can be divided in two parts, 3638 and 367, that added together give a triangular number (4005 = T₈₉).

The spelling of 3638367 in words is "three million, six hundred thirty-eight thousand, three hundred sixty-seven".