3868940 has 12 divisors (see below), whose sum is σ = 8124816. Its totient is φ = 1547568.

The previous prime is 3868937. The next prime is 3868957. The reversal of 3868940 is 498683.

3868940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3868894 and 3868903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96704 + ... + 96743.

It is an arithmetic number, because the mean of its divisors is an integer number (677068).

Almost surely, 2^3868940 is an apocalyptic number.

It is an amenable number.

3868940 is an abundant number, since it is smaller than the sum of its proper divisors (4255876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3868940 is a wasteful number, since it uses less digits than its factorization.

3868940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193456 (or 193454 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3868940 is about 1966.9621246989. The cubic root of 3868940 is about 156.9871113333.

The spelling of 3868940 in words is "three million, eight hundred sixty-eight thousand, nine hundred forty".