3871105 has 8 divisors (see below), whose sum is σ = 5308992. Its totient is φ = 2654448.

The previous prime is 3871103. The next prime is 3871111. The reversal of 3871105 is 5011783.

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

It is a cyclic number.

It is not a de Polignac number, because 3871105 - 2¹ = 3871103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3871105.

It is not an unprimeable number, because it can be changed into a prime (3871103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55267 + ... + 55336.

It is an arithmetic number, because the mean of its divisors is an integer number (663624).

Almost surely, 2^3871105 is an apocalyptic number.

3871105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3871105 is a deficient number, since it is larger than the sum of its proper divisors (1437887).

3871105 is a wasteful number, since it uses less digits than its factorization.

3871105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110615.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 3871105 is about 1967.5123887793. The cubic root of 3871105 is about 157.0163884065.

Adding to 3871105 its reverse (5011783), we get a palindrome (8882888).

The spelling of 3871105 in words is "three million, eight hundred seventy-one thousand, one hundred five".