3855755 has 8 divisors (see below), whose sum is σ = 4637472. Its totient is φ = 3077568.

The previous prime is 3855703. The next prime is 3855757. The reversal of 3855755 is 5575583.

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 3855755 - 2²⁰ = 2807179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3855757) 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, 3647 + ... + 4583.

It is an arithmetic number, because the mean of its divisors is an integer number (579684).

Almost surely, 2^3855755 is an apocalyptic number.

3855755 is a deficient number, since it is larger than the sum of its proper divisors (781717).

3855755 is an equidigital number, since it uses as much as digits as its factorization.

3855755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765.

The product of its digits is 105000, while the sum is 38.

The square root of 3855755 is about 1963.6076492008. The cubic root of 3855755 is about 156.8085757102.

The spelling of 3855755 in words is "three million, eight hundred fifty-five thousand, seven hundred fifty-five".