3861771 has 8 divisors (see below), whose sum is σ = 5451984. Its totient is φ = 2423040.

The previous prime is 3861751. The next prime is 3861811. The reversal of 3861771 is 1771683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3861771 - 2⁹ = 3861259 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3861721) 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 7 ways as a sum of consecutive naturals, for example, 37810 + ... + 37911.

It is an arithmetic number, because the mean of its divisors is an integer number (681498).

Almost surely, 2^3861771 is an apocalyptic number.

3861771 is a deficient number, since it is larger than the sum of its proper divisors (1590213).

3861771 is a wasteful number, since it uses less digits than its factorization.

3861771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75741.

The product of its digits is 7056, while the sum is 33.

The square root of 3861771 is about 1965.1389263866. The cubic root of 3861771 is about 156.8900876480.

The spelling of 3861771 in words is "three million, eight hundred sixty-one thousand, seven hundred seventy-one".