3957443 has 8 divisors (see below), whose sum is σ = 4633440. Its totient is φ = 3309120.

The previous prime is 3957439. The next prime is 3957451. The reversal of 3957443 is 3447593.

3957443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3957443 - 2² = 3957439 is a prime.

It is a super-2 number, since 2×3957443² = 31322710196498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3957433) 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, 6608 + ... + 7181.

It is an arithmetic number, because the mean of its divisors is an integer number (579180).

Almost surely, 2^3957443 is an apocalyptic number.

3957443 is a deficient number, since it is larger than the sum of its proper divisors (675997).

3957443 is a wasteful number, since it uses less digits than its factorization.

3957443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837.

The product of its digits is 45360, while the sum is 35.

The square root of 3957443 is about 1989.3323000444. The cubic root of 3957443 is about 158.1751382715.

The spelling of 3957443 in words is "three million, nine hundred fifty-seven thousand, four hundred forty-three".