3957941 has 4 divisors (see below), whose sum is σ = 4262412. Its totient is φ = 3653472.

The previous prime is 3957937. The next prime is 3957953. The reversal of 3957941 is 1497593.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1811716 + 2146225 = 1346^2 + 1465^2 .

It is a cyclic number.

It is not a de Polignac number, because 3957941 - 2² = 3957937 is a prime.

It is a super-3 number, since 3×3957941³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3957895 and 3957904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152216 + ... + 152241.

It is an arithmetic number, because the mean of its divisors is an integer number (1065603).

Almost surely, 2^3957941 is an apocalyptic number.

It is an amenable number.

3957941 is a deficient number, since it is larger than the sum of its proper divisors (304471).

3957941 is a wasteful number, since it uses less digits than its factorization.

3957941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304470.

The product of its digits is 34020, while the sum is 38.

The square root of 3957941 is about 1989.4574637323. The cubic root of 3957941 is about 158.1817728514.

The spelling of 3957941 in words is "three million, nine hundred fifty-seven thousand, nine hundred forty-one".