3957312 has 28 divisors (see below), whose sum is σ = 10470896. Its totient is φ = 1319040.

The previous prime is 3957299. The next prime is 3957313. The reversal of 3957312 is 2137593.

It is a self number, because there is not a number n which added to its sum of digits gives 3957312.

It is not an unprimeable number, because it can be changed into a prime (3957313) 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, 10114 + ... + 10497.

Almost surely, 2^3957312 is an apocalyptic number.

3957312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3957312 is an abundant number, since it is smaller than the sum of its proper divisors (6513584).

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

3957312 is a wasteful number, since it uses less digits than its factorization.

3957312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20626 (or 20616 counting only the distinct ones).

The product of its digits is 5670, while the sum is 30.

The square root of 3957312 is about 1989.2993741516. The cubic root of 3957312 is about 158.1733929382.

The spelling of 3957312 in words is "three million, nine hundred fifty-seven thousand, three hundred twelve".