3856436126 has 4 divisors (see below), whose sum is σ = 5784654192. Its totient is φ = 1928218062.

The previous prime is 3856436119. The next prime is 3856436141. The reversal of 3856436126 is 6216346583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6216346583 = 257 ⋅24188119.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964109030 + ... + 964109033.

It is an arithmetic number, because the mean of its divisors is an integer number (1446163548).

Almost surely, 2^3856436126 is an apocalyptic number.

3856436126 is a deficient number, since it is larger than the sum of its proper divisors (1928218066).

3856436126 is a wasteful number, since it uses less digits than its factorization.

3856436126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928218065.

The product of its digits is 622080, while the sum is 44.

The square root of 3856436126 is about 62100.2103539110. The cubic root of 3856436126 is about 1568.1780867140.

The spelling of 3856436126 in words is "three billion, eight hundred fifty-six million, four hundred thirty-six thousand, one hundred twenty-six".