3963671 has 4 divisors (see below), whose sum is σ = 3988152. Its totient is φ = 3939192.

The previous prime is 3963649. The next prime is 3963683. The reversal of 3963671 is 1763693.

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 3963671 - 2⁶ = 3963607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3962671) 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, 11996 + ... + 12321.

It is an arithmetic number, because the mean of its divisors is an integer number (997038).

Almost surely, 2^3963671 is an apocalyptic number.

3963671 is a deficient number, since it is larger than the sum of its proper divisors (24481).

3963671 is a wasteful number, since it uses less digits than its factorization.

3963671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24480.

The product of its digits is 20412, while the sum is 35.

The square root of 3963671 is about 1990.8970340025. The cubic root of 3963671 is about 158.2580704780.

The spelling of 3963671 in words is "three million, nine hundred sixty-three thousand, six hundred seventy-one".