3864853 has 4 divisors (see below), whose sum is σ = 3875328. Its totient is φ = 3854380.

The previous prime is 3864841. The next prime is 3864871. The reversal of 3864853 is 3584683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3584683 = 109 ⋅32887.

It is a cyclic number.

It is not a de Polignac number, because 3864853 - 2⁵ = 3864821 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 (3864803) 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 3 ways as a sum of consecutive naturals, for example, 4663 + ... + 5428.

It is an arithmetic number, because the mean of its divisors is an integer number (968832).

Almost surely, 2^3864853 is an apocalyptic number.

It is an amenable number.

3864853 is a deficient number, since it is larger than the sum of its proper divisors (10475).

3864853 is a wasteful number, since it uses less digits than its factorization.

3864853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474.

The product of its digits is 69120, while the sum is 37.

The square root of 3864853 is about 1965.9229384694. The cubic root of 3864853 is about 156.9318134671.

The spelling of 3864853 in words is "three million, eight hundred sixty-four thousand, eight hundred fifty-three".