3957996 has 24 divisors (see below), whose sum is σ = 10554880. Its totient is φ = 1130832.

The previous prime is 3957983. The next prime is 3958013. The reversal of 3957996 is 6997593.

It is a happy number.

3957996 is digitally balanced in base 5 and base 8, because in such bases it contains all the possibile digits an equal number of times.

3957996 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23476 + ... + 23643.

Almost surely, 2^3957996 is an apocalyptic number.

It is an amenable number.

3957996 is an abundant number, since it is smaller than the sum of its proper divisors (6596884).

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

3957996 is a wasteful number, since it uses less digits than its factorization.

3957996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47133 (or 47131 counting only the distinct ones).

The product of its digits is 459270, while the sum is 48.

The square root of 3957996 is about 1989.4712865483. The cubic root of 3957996 is about 158.1825055520.

The spelling of 3957996 in words is "three million, nine hundred fifty-seven thousand, nine hundred ninety-six".