3957936 has 20 divisors (see below), whose sum is σ = 10224792. Its totient is φ = 1319296.

The previous prime is 3957929. The next prime is 3957937. The reversal of 3957936 is 6397593.

It is not an unprimeable number, because it can be changed into a prime (3957937) 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, 41181 + ... + 41276.

Almost surely, 2^3957936 is an apocalyptic number.

It is an amenable number.

3957936 is an abundant number, since it is smaller than the sum of its proper divisors (6266856).

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

3957936 is a wasteful number, since it uses less digits than its factorization.

3957936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82468 (or 82462 counting only the distinct ones).

The product of its digits is 153090, while the sum is 42.

The square root of 3957936 is about 1989.4562071079. The cubic root of 3957936 is about 158.1817062419.

It can be divided in two parts, 39 and 57936, that added together give a palindrome (57975).

The spelling of 3957936 in words is "three million, nine hundred fifty-seven thousand, nine hundred thirty-six".