3853871 has 4 divisors (see below), whose sum is σ = 4404432. Its totient is φ = 3303312.

The previous prime is 3853853. The next prime is 3853873. The reversal of 3853871 is 1783583.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3853871 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 (3853873) 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, 275270 + ... + 275283.

It is an arithmetic number, because the mean of its divisors is an integer number (1101108).

Almost surely, 2^3853871 is an apocalyptic number.

3853871 is a deficient number, since it is larger than the sum of its proper divisors (550561).

3853871 is an equidigital number, since it uses as much as digits as its factorization.

3853871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550560.

The product of its digits is 20160, while the sum is 35.

The square root of 3853871 is about 1963.1278613478. The cubic root of 3853871 is about 156.7830316004.

The spelling of 3853871 in words is "three million, eight hundred fifty-three thousand, eight hundred seventy-one".