3971748 has 24 divisors (see below), whose sum is σ = 10110240. Its totient is φ = 1203520.

The previous prime is 3971743. The next prime is 3971749. The reversal of 3971748 is 8471793.

3971748 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 (3971743) 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, 14913 + ... + 15176.

It is an arithmetic number, because the mean of its divisors is an integer number (421260).

Almost surely, 2^3971748 is an apocalyptic number.

It is an amenable number.

3971748 is an abundant number, since it is smaller than the sum of its proper divisors (6138492).

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

3971748 is a wasteful number, since it uses less digits than its factorization.

3971748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30107 (or 30105 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 3971748 is about 1992.9244842693. The cubic root of 3971748 is about 158.3654947287.

It can be divided in two parts, 397 and 1748, that added together give a triangular number (2145 = T₆₅).

The spelling of 3971748 in words is "three million, nine hundred seventy-one thousand, seven hundred forty-eight".