3973916 has 6 divisors (see below), whose sum is σ = 6954360. Its totient is φ = 1986956.

The previous prime is 3973877. The next prime is 3973919. The reversal of 3973916 is 6193793.

3973916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3973916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973919) 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 as a sum of consecutive naturals, namely, 496736 + ... + 496743.

It is an arithmetic number, because the mean of its divisors is an integer number (1159060).

Almost surely, 2^3973916 is an apocalyptic number.

It is an amenable number.

3973916 is a deficient number, since it is larger than the sum of its proper divisors (2980444).

3973916 is a wasteful number, since it uses less digits than its factorization.

3973916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993483 (or 993481 counting only the distinct ones).

The product of its digits is 30618, while the sum is 38.

The square root of 3973916 is about 1993.4683343359. The cubic root of 3973916 is about 158.3943043730.

The spelling of 3973916 in words is "three million, nine hundred seventy-three thousand, nine hundred sixteen".