3856313 has 4 divisors (see below), whose sum is σ = 3862308. Its totient is φ = 3850320.

The previous prime is 3856289. The next prime is 3856357. The reversal of 3856313 is 3136583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3136583 = 359 ⋅8737.

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 426409 = 1852^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 3856313 - 2¹⁴ = 3839929 is a prime.

It is a super-2 number, since 2×3856313² = 29742299907938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3856393) 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, 1898 + ... + 3363.

It is an arithmetic number, because the mean of its divisors is an integer number (965577).

Almost surely, 2^3856313 is an apocalyptic number.

It is an amenable number.

3856313 is a deficient number, since it is larger than the sum of its proper divisors (5995).

3856313 is an equidigital number, since it uses as much as digits as its factorization.

3856313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994.

The product of its digits is 6480, while the sum is 29.

The square root of 3856313 is about 1963.7497294717. The cubic root of 3856313 is about 156.8161397251.

The spelling of 3856313 in words is "three million, eight hundred fifty-six thousand, three hundred thirteen".