3957347 has 4 divisors (see below), whose sum is σ = 4007520. Its totient is φ = 3907176.

The previous prime is 3957341. The next prime is 3957383. The reversal of 3957347 is 7437593.

3957347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3957347 - 2⁸ = 3957091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3957347.

It is not an unprimeable number, because it can be changed into a prime (3957341) 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 3 ways as a sum of consecutive naturals, for example, 24968 + ... + 25125.

It is an arithmetic number, because the mean of its divisors is an integer number (1001880).

Almost surely, 2^3957347 is an apocalyptic number.

3957347 is a deficient number, since it is larger than the sum of its proper divisors (50173).

3957347 is an equidigital number, since it uses as much as digits as its factorization.

3957347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50172.

The product of its digits is 79380, while the sum is 38.

The square root of 3957347 is about 1989.3081711992. The cubic root of 3957347 is about 158.1738592524.

The spelling of 3957347 in words is "three million, nine hundred fifty-seven thousand, three hundred forty-seven".