3862855 has 4 divisors (see below), whose sum is σ = 4635432. Its totient is φ = 3090280.

The previous prime is 3862853. The next prime is 3862861. The reversal of 3862855 is 5582683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5582683 = 41 ⋅136163.

It is not a de Polignac number, because 3862855 - 2¹ = 3862853 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 (3862853) 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, 386281 + ... + 386290.

It is an arithmetic number, because the mean of its divisors is an integer number (1158858).

Almost surely, 2^3862855 is an apocalyptic number.

3862855 is a deficient number, since it is larger than the sum of its proper divisors (772577).

3862855 is an equidigital number, since it uses as much as digits as its factorization.

3862855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772576.

The product of its digits is 57600, while the sum is 37.

The square root of 3862855 is about 1965.4147145068. The cubic root of 3862855 is about 156.9047659691.

It can be divided in two parts, 38628 and 55, that added together give a palindrome (38683).

The spelling of 3862855 in words is "three million, eight hundred sixty-two thousand, eight hundred fifty-five".