3855688 has 16 divisors (see below), whose sum is σ = 7348860. Its totient is φ = 1896000.

The previous prime is 3855667. The next prime is 3855703. The reversal of 3855688 is 8865583.

3855688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3694084 + 161604 = 1922^2 + 402^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3463 + ... + 4438.

Almost surely, 2^3855688 is an apocalyptic number.

It is an amenable number.

3855688 is a deficient number, since it is larger than the sum of its proper divisors (3493172).

3855688 is a wasteful number, since it uses less digits than its factorization.

3855688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968 (or 7964 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 3855688 is about 1963.5905886921. The cubic root of 3855688 is about 156.8076674371.

The spelling of 3855688 in words is "three million, eight hundred fifty-five thousand, six hundred eighty-eight".