3811916 has 6 divisors (see below), whose sum is σ = 6670860. Its totient is φ = 1905956.

The previous prime is 3811909. The next prime is 3811921. The reversal of 3811916 is 6191183.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476486 + ... + 476493.

It is an arithmetic number, because the mean of its divisors is an integer number (1111810).

Almost surely, 2^3811916 is an apocalyptic number.

It is an amenable number.

3811916 is a deficient number, since it is larger than the sum of its proper divisors (2858944).

3811916 is a wasteful number, since it uses less digits than its factorization.

3811916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952983 (or 952981 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 3811916 is about 1952.4128661735. The cubic root of 3811916 is about 156.2120172209.

The spelling of 3811916 in words is "three million, eight hundred eleven thousand, nine hundred sixteen".