3856673 has 4 divisors (see below), whose sum is σ = 3861060. Its totient is φ = 3852288.

The previous prime is 3856667. The next prime is 3856703. The reversal of 3856673 is 3766583.

3856673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3766583 = 307 ⋅12269.

It can be written as a sum of positive squares in 2 ways, for example, as 2289169 + 1567504 = 1513^2 + 1252^2 .

It is a cyclic number.

It is not a de Polignac number, because 3856673 - 2¹⁴ = 3840289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3856613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 2801.

It is an arithmetic number, because the mean of its divisors is an integer number (965265).

Almost surely, 2^3856673 is an apocalyptic number.

It is an amenable number.

3856673 is a deficient number, since it is larger than the sum of its proper divisors (4387).

3856673 is a wasteful number, since it uses less digits than its factorization.

3856673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386.

The product of its digits is 90720, while the sum is 38.

The square root of 3856673 is about 1963.8413887073. The cubic root of 3856673 is about 156.8210193474.

The spelling of 3856673 in words is "three million, eight hundred fifty-six thousand, six hundred seventy-three".