3638226 has 16 divisors (see below), whose sum is σ = 7295904. Its totient is φ = 1209504.

The previous prime is 3638213. The next prime is 3638227. The reversal of 3638226 is 6228363.

It is a junction number, because it is equal to n+sod(n) for n = 3638193 and 3638202.

It is not an unprimeable number, because it can be changed into a prime (3638227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006 + ... + 4038.

It is an arithmetic number, because the mean of its divisors is an integer number (455994).

Almost surely, 2^3638226 is an apocalyptic number.

3638226 is an abundant number, since it is smaller than the sum of its proper divisors (3657678).

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

3638226 is a wasteful number, since it uses less digits than its factorization.

3638226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625.

The product of its digits is 10368, while the sum is 30.

The square root of 3638226 is about 1907.4134318495. The cubic root of 3638226 is about 153.8024396442.

The spelling of 3638226 in words is "three million, six hundred thirty-eight thousand, two hundred twenty-six".