3856266 has 12 divisors (see below), whose sum is σ = 8355282. Its totient is φ = 1285416.

The previous prime is 3856261. The next prime is 3856267. The reversal of 3856266 is 6626583.

3856266 is a `hidden beast` number, since 38 + 562 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3316041 + 540225 = 1821^2 + 735^2 .

It is a d-powerful number, because it can be written as 3² + 8⁷ + 5⁷ + 6² + 2⁵ + 6⁴ + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 3856266.

It is not an unprimeable number, because it can be changed into a prime (3856261) 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 5 ways as a sum of consecutive naturals, for example, 107101 + ... + 107136.

Almost surely, 2^3856266 is an apocalyptic number.

3856266 is an abundant number, since it is smaller than the sum of its proper divisors (4499016).

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

3856266 is a wasteful number, since it uses less digits than its factorization.

3856266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214245 (or 214242 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3856266 is about 1963.7377625335. The cubic root of 3856266 is about 156.8155026408.

The spelling of 3856266 in words is "three million, eight hundred fifty-six thousand, two hundred sixty-six".