3973988 has 12 divisors (see below), whose sum is σ = 7363692. Its totient is φ = 1870080.

The previous prime is 3973973. The next prime is 3973997. The reversal of 3973988 is 8893793.

3973988 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 can be written as a sum of positive squares in 2 ways, for example, as 3467044 + 506944 = 1862^2 + 712^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29153 + ... + 29288.

It is an arithmetic number, because the mean of its divisors is an integer number (613641).

Almost surely, 2^3973988 is an apocalyptic number.

It is an amenable number.

3973988 is a deficient number, since it is larger than the sum of its proper divisors (3389704).

3973988 is a wasteful number, since it uses less digits than its factorization.

3973988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58462 (or 58460 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 3973988 is about 1993.4863932317. The cubic root of 3973988 is about 158.3952609710.

The spelling of 3973988 in words is "three million, nine hundred seventy-three thousand, nine hundred eighty-eight".