3973992 has 32 divisors (see below), whose sum is σ = 10838880. Its totient is φ = 1204160.

The previous prime is 3973973. The next prime is 3973997. The reversal of 3973992 is 2993793.

3973992 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3973992² = 31585224832128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3973997) 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, 7263 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (338715).

Almost surely, 2^3973992 is an apocalyptic number.

It is an amenable number.

3973992 is an abundant number, since it is smaller than the sum of its proper divisors (6864888).

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

3973992 is a wasteful number, since it uses less digits than its factorization.

3973992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15073 (or 15069 counting only the distinct ones).

The product of its digits is 91854, while the sum is 42.

The square root of 3973992 is about 1993.4873964989. The cubic root of 3973992 is about 158.3953141150.

The spelling of 3973992 in words is "three million, nine hundred seventy-three thousand, nine hundred ninety-two".