3865227 has 24 divisors (see below), whose sum is σ = 5632704. Its totient is φ = 2355696.

The previous prime is 3865187. The next prime is 3865229. The reversal of 3865227 is 7225683.

It is not a de Polignac number, because 3865227 - 2²⁰ = 2816651 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3865229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46528 + ... + 46610.

It is an arithmetic number, because the mean of its divisors is an integer number (234696).

Almost surely, 2^3865227 is an apocalyptic number.

3865227 is a deficient number, since it is larger than the sum of its proper divisors (1767477).

3865227 is a wasteful number, since it uses less digits than its factorization.

3865227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 148 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 3865227 is about 1966.0180568855. The cubic root of 3865227 is about 156.9368753763.

The spelling of 3865227 in words is "three million, eight hundred sixty-five thousand, two hundred twenty-seven".