3866384 has 20 divisors (see below), whose sum is σ = 7541184. Its totient is φ = 1920288.

The previous prime is 3866333. The next prime is 3866393. The reversal of 3866384 is 4836683.

It is a super-3 number, since 3×3866384³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1949 + ... + 3395.

Almost surely, 2^3866384 is an apocalyptic number.

It is an amenable number.

3866384 is a deficient number, since it is larger than the sum of its proper divisors (3674800).

3866384 is a wasteful number, since it uses less digits than its factorization.

3866384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622 (or 1616 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 3866384 is about 1966.3122844553. The cubic root of 3866384 is about 156.9525327448.

Subtracting 3866384 from its reverse (4836683), we obtain a cube (970299 = 99³).

The spelling of 3866384 in words is "three million, eight hundred sixty-six thousand, three hundred eighty-four".