3971244 has 24 divisors (see below), whose sum is σ = 9318400. Its totient is φ = 1316304.

The previous prime is 3971239. The next prime is 3971257. The reversal of 3971244 is 4421793.

It is a happy number.

3971244 is nontrivially palindromic in base 11.

3971244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3971244³ (a number of 21 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1557 + ... + 3219.

Almost surely, 2^3971244 is an apocalyptic number.

It is an amenable number.

3971244 is an abundant number, since it is smaller than the sum of its proper divisors (5347156).

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

3971244 is a wasteful number, since it uses less digits than its factorization.

3971244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1867 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 3971244 is about 1992.7980329175. The cubic root of 3971244 is about 158.3587957819.

The spelling of 3971244 in words is "three million, nine hundred seventy-one thousand, two hundred forty-four".