3852861 has 4 divisors (see below), whose sum is σ = 5137152. Its totient is φ = 2568572.

The previous prime is 3852809. The next prime is 3852881. The reversal of 3852861 is 1682583.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 3852861 - 2⁷ = 3852733 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3852881) 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, 642141 + ... + 642146.

It is an arithmetic number, because the mean of its divisors is an integer number (1284288).

Almost surely, 2^3852861 is an apocalyptic number.

It is an amenable number.

3852861 is a deficient number, since it is larger than the sum of its proper divisors (1284291).

3852861 is a wasteful number, since it uses less digits than its factorization.

3852861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284290.

The product of its digits is 11520, while the sum is 33.

The square root of 3852861 is about 1962.8706019501. The cubic root of 3852861 is about 156.7693341434.

The spelling of 3852861 in words is "three million, eight hundred fifty-two thousand, eight hundred sixty-one".