3973571 has 4 divisors (see below), whose sum is σ = 4541232. Its totient is φ = 3405912.

The previous prime is 3973561. The next prime is 3973577. The reversal of 3973571 is 1753793.

3973571 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, and also an emirpimes, since its reverse is a distinct semiprime: 1753793 = 613 ⋅2861.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3973571 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (3973577) 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, 283820 + ... + 283833.

It is an arithmetic number, because the mean of its divisors is an integer number (1135308).

Almost surely, 2^3973571 is an apocalyptic number.

3973571 is a deficient number, since it is larger than the sum of its proper divisors (567661).

3973571 is an equidigital number, since it uses as much as digits as its factorization.

3973571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567660.

The product of its digits is 19845, while the sum is 35.

The square root of 3973571 is about 1993.3817998567. The cubic root of 3973571 is about 158.3897205136.

The spelling of 3973571 in words is "three million, nine hundred seventy-three thousand, five hundred seventy-one".