3971960 has 32 divisors (see below), whose sum is σ = 9028800. Its totient is φ = 1572480.

The previous prime is 3971917. The next prime is 3971963. The reversal of 3971960 is 691793.

It is a self number, because there is not a number n which added to its sum of digits gives 3971960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3971963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3905 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (282150).

Almost surely, 2^3971960 is an apocalyptic number.

It is an amenable number.

3971960 is an abundant number, since it is smaller than the sum of its proper divisors (5056840).

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

3971960 is a wasteful number, since it uses less digits than its factorization.

3971960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 3971960 is about 1992.9776717264. The cubic root of 3971960 is about 158.3683123703.

The spelling of 3971960 in words is "three million, nine hundred seventy-one thousand, nine hundred sixty".