3866122 has 16 divisors (see below), whose sum is σ = 6281352. Its totient is φ = 1774080.

The previous prime is 3866117. The next prime is 3866141. The reversal of 3866122 is 2216683.

It can be written as a sum of positive squares in 4 ways, for example, as 2019241 + 1846881 = 1421^2 + 1359^2 .

It is an Ulam number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5958 + ... + 6574.

Almost surely, 2^3866122 is an apocalyptic number.

3866122 is a deficient number, since it is larger than the sum of its proper divisors (2415230).

3866122 is a wasteful number, since it uses less digits than its factorization.

3866122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its digits is 3456, while the sum is 28.

The square root of 3866122 is about 1966.2456611522. The cubic root of 3866122 is about 156.9489874431.

It can be divided in two parts, 38661 and 22, that added together give a palindrome (38683).

The spelling of 3866122 in words is "three million, eight hundred sixty-six thousand, one hundred twenty-two".