3855085 has 16 divisors (see below), whose sum is σ = 5031936. Its totient is φ = 2818368.

The previous prime is 3855083. The next prime is 3855091. The reversal of 3855085 is 5805583.

It is a cyclic number.

It is not a de Polignac number, because 3855085 - 2¹ = 3855083 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3855085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8022 + ... + 8488.

It is an arithmetic number, because the mean of its divisors is an integer number (314496).

Almost surely, 2^3855085 is an apocalyptic number.

It is an amenable number.

3855085 is a deficient number, since it is larger than the sum of its proper divisors (1176851).

3855085 is a wasteful number, since it uses less digits than its factorization.

3855085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 3855085 is about 1963.4370374423. The cubic root of 3855085 is about 156.7994925058.

The spelling of 3855085 in words is "three million, eight hundred fifty-five thousand, eighty-five".