3861055 has 8 divisors (see below), whose sum is σ = 5054544. Its totient is φ = 2808000.

The previous prime is 3861041. The next prime is 3861059. The reversal of 3861055 is 5501683.

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

It is not a de Polignac number, because 3861055 - 2¹¹ = 3859007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861059) 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, 35046 + ... + 35155.

It is an arithmetic number, because the mean of its divisors is an integer number (631818).

Almost surely, 2^3861055 is an apocalyptic number.

3861055 is a deficient number, since it is larger than the sum of its proper divisors (1193489).

3861055 is a wasteful number, since it uses less digits than its factorization.

3861055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70217.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 3861055 is about 1964.9567425264. The cubic root of 3861055 is about 156.8803908667.

It can be divided in two parts, 386 and 1055, that added together give a palindrome (1441).

The spelling of 3861055 in words is "three million, eight hundred sixty-one thousand, fifty-five".