3811868 has 6 divisors (see below), whose sum is σ = 6670776. Its totient is φ = 1905932.

The previous prime is 3811817. The next prime is 3811877. The reversal of 3811868 is 8681183.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476480 + ... + 476487.

It is an arithmetic number, because the mean of its divisors is an integer number (1111796).

Almost surely, 2^3811868 is an apocalyptic number.

It is an amenable number.

3811868 is a deficient number, since it is larger than the sum of its proper divisors (2858908).

3811868 is a wasteful number, since it uses less digits than its factorization.

3811868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952971 (or 952969 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 3811868 is about 1952.4005736529. The cubic root of 3811868 is about 156.2113615394.

The spelling of 3811868 in words is "three million, eight hundred eleven thousand, eight hundred sixty-eight".