3917671 has 4 divisors (see below), whose sum is σ = 4023592. Its totient is φ = 3811752.

The previous prime is 3917623. The next prime is 3917681. The reversal of 3917671 is 1767193.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1767193 = 229 ⋅7717.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3917671 is a prime.

It is a Duffinian number.

3917671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3917681) 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, 52905 + ... + 52978.

It is an arithmetic number, because the mean of its divisors is an integer number (1005898).

Almost surely, 2^3917671 is an apocalyptic number.

3917671 is a deficient number, since it is larger than the sum of its proper divisors (105921).

3917671 is a wasteful number, since it uses less digits than its factorization.

3917671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105920.

The product of its digits is 7938, while the sum is 34.

The square root of 3917671 is about 1979.3107386158. The cubic root of 3917671 is about 157.6434705126.

The spelling of 3917671 in words is "three million, nine hundred seventeen thousand, six hundred seventy-one".