3971912 has 32 divisors (see below), whose sum is σ = 8961600. Its totient is φ = 1612224.

The previous prime is 3971911. The next prime is 3971917. The reversal of 3971912 is 2191793.

It is a happy number.

3971912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3971911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (280050).

Almost surely, 2^3971912 is an apocalyptic number.

It is an amenable number.

3971912 is an abundant number, since it is smaller than the sum of its proper divisors (4989688).

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

3971912 is a wasteful number, since it uses less digits than its factorization.

3971912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3765 (or 3761 counting only the distinct ones).

The product of its digits is 3402, while the sum is 32.

The square root of 3971912 is about 1992.9656294076. The cubic root of 3971912 is about 158.3676744225.

The spelling of 3971912 in words is "three million, nine hundred seventy-one thousand, nine hundred twelve".