3856535 has 16 divisors (see below), whose sum is σ = 4989600. Its totient is φ = 2850816.

The previous prime is 3856519. The next prime is 3856537. The reversal of 3856535 is 5356583.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3856535 - 2⁴ = 3856519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3856495 and 3856504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856537) 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 15 ways as a sum of consecutive naturals, for example, 4631 + ... + 5399.

It is an arithmetic number, because the mean of its divisors is an integer number (311850).

Almost surely, 2^3856535 is an apocalyptic number.

3856535 is a deficient number, since it is larger than the sum of its proper divisors (1133065).

3856535 is a wasteful number, since it uses less digits than its factorization.

3856535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850.

The product of its digits is 54000, while the sum is 35.

The square root of 3856535 is about 1963.8062531726. The cubic root of 3856535 is about 156.8191488614.

The spelling of 3856535 in words is "three million, eight hundred fifty-six thousand, five hundred thirty-five".