3643227 has 12 divisors (see below), whose sum is σ = 6014320. Its totient is φ = 2081808.

The previous prime is 3643217. The next prime is 3643267. The reversal of 3643227 is 7223463.

It is not a de Polignac number, because 3643227 - 2⁷ = 3643099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3643227.

It is not an unprimeable number, because it can be changed into a prime (3643217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28852 + ... + 28977.

Almost surely, 2^3643227 is an apocalyptic number.

3643227 is a deficient number, since it is larger than the sum of its proper divisors (2371093).

3643227 is a wasteful number, since it uses less digits than its factorization.

3643227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57842 (or 57839 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 3643227 is about 1908.7239192717. The cubic root of 3643227 is about 153.8728781716.

The spelling of 3643227 in words is "three million, six hundred forty-three thousand, two hundred twenty-seven".