3919868 has 12 divisors (see below), whose sum is σ = 6887160. Its totient is φ = 1952112.

The previous prime is 3919859. The next prime is 3919873. The reversal of 3919868 is 8689193.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746 + ... + 2897.

It is an arithmetic number, because the mean of its divisors is an integer number (573930).

Almost surely, 2^3919868 is an apocalyptic number.

It is an amenable number.

3919868 is a deficient number, since it is larger than the sum of its proper divisors (2967292).

3919868 is a wasteful number, since it uses less digits than its factorization.

3919868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916 (or 3914 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 3919868 is about 1979.8656520077. The cubic root of 3919868 is about 157.6729334241.

The spelling of 3919868 in words is "three million, nine hundred nineteen thousand, eight hundred sixty-eight".