4068857 has 4 divisors (see below), whose sum is σ = 4381860. Its totient is φ = 3755856.

The previous prime is 4068851. The next prime is 4068871. The reversal of 4068857 is 7588604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1585081 + 2483776 = 1259^2 + 1576^2 .

It is not a de Polignac number, because 4068857 - 2¹⁴ = 4052473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4068857.

It is not an unprimeable number, because it can be changed into a prime (4068851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156482 + ... + 156507.

It is an arithmetic number, because the mean of its divisors is an integer number (1095465).

Almost surely, 2^4068857 is an apocalyptic number.

It is an amenable number.

4068857 is a deficient number, since it is larger than the sum of its proper divisors (313003).

4068857 is a wasteful number, since it uses less digits than its factorization.

4068857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313002.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 4068857 is about 2017.1407982588. The cubic root of 4068857 is about 159.6457919536.

The spelling of 4068857 in words is "four million, sixty-eight thousand, eight hundred fifty-seven".