3851885 has 16 divisors (see below), whose sum is σ = 4859136. Its totient is φ = 2927808.

The previous prime is 3851873. The next prime is 3851899. The reversal of 3851885 is 5881583.

It is a cyclic number.

It is not a de Polignac number, because 3851885 - 2¹⁴ = 3835501 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8474 + ... + 8916.

It is an arithmetic number, because the mean of its divisors is an integer number (303696).

Almost surely, 2^3851885 is an apocalyptic number.

It is an amenable number.

3851885 is a deficient number, since it is larger than the sum of its proper divisors (1007251).

3851885 is a wasteful number, since it uses less digits than its factorization.

3851885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its digits is 38400, while the sum is 38.

The square root of 3851885 is about 1962.6219707320. The cubic root of 3851885 is about 156.7560955144.

The spelling of 3851885 in words is "three million, eight hundred fifty-one thousand, eight hundred eighty-five".