4138856 has 16 divisors (see below), whose sum is σ = 7848900. Its totient is φ = 2045824.

The previous prime is 4138853. The next prime is 4138861. The reversal of 4138856 is 6588314.

It can be written as a sum of positive squares in 2 ways, for example, as 4120900 + 17956 = 2030^2 + 134^2 .

It is not an unprimeable number, because it can be changed into a prime (4138853) 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 3 ways as a sum of consecutive naturals, for example, 2195 + ... + 3618.

Almost surely, 2^4138856 is an apocalyptic number.

It is an amenable number.

4138856 is a deficient number, since it is larger than the sum of its proper divisors (3710044).

4138856 is a wasteful number, since it uses less digits than its factorization.

4138856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908 (or 5904 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 4138856 is about 2034.4178528513. The cubic root of 4138856 is about 160.5560858972.

It can be divided in two parts, 4138 and 856, that added together give a palindrome (4994).

The spelling of 4138856 in words is "four million, one hundred thirty-eight thousand, eight hundred fifty-six".