3856577 has 4 divisors (see below), whose sum is σ = 3890820. Its totient is φ = 3822336.

The previous prime is 3856561. The next prime is 3856579. The reversal of 3856577 is 7756583.

3856577 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 an emirpimes, since its reverse is a distinct semiprime: 7756583 = 1471 ⋅5273.

It can be written as a sum of positive squares in 2 ways, for example, as 231361 + 3625216 = 481^2 + 1904^2 .

It is a cyclic number.

It is not a de Polignac number, because 3856577 - 2⁴ = 3856561 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 (3856579) 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, 16952 + ... + 17177.

It is an arithmetic number, because the mean of its divisors is an integer number (972705).

Almost surely, 2^3856577 is an apocalyptic number.

It is an amenable number.

3856577 is a deficient number, since it is larger than the sum of its proper divisors (34243).

3856577 is a wasteful number, since it uses less digits than its factorization.

3856577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34242.

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

The square root of 3856577 is about 1963.8169466628. The cubic root of 3856577 is about 156.8197181445.

The spelling of 3856577 in words is "three million, eight hundred fifty-six thousand, five hundred seventy-seven".