3856775 has 12 divisors (see below), whose sum is σ = 5150712. Its totient is φ = 2847840.

The previous prime is 3856763. The next prime is 3856777. The reversal of 3856775 is 5776583.

It is not a de Polignac number, because 3856775 - 2⁸ = 3856519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856777) 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 11 ways as a sum of consecutive naturals, for example, 5609 + ... + 6258.

It is an arithmetic number, because the mean of its divisors is an integer number (429226).

Almost surely, 2^3856775 is an apocalyptic number.

3856775 is a deficient number, since it is larger than the sum of its proper divisors (1293937).

3856775 is a wasteful number, since it uses less digits than its factorization.

3856775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11890 (or 11885 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 3856775 is about 1963.8673580464. The cubic root of 3856775 is about 156.8224018519.

The spelling of 3856775 in words is "three million, eight hundred fifty-six thousand, seven hundred seventy-five".