3668671 has 2 divisors, whose sum is σ = 3668672. Its totient is φ = 3668670.

The previous prime is 3668647. The next prime is 3668699. The reversal of 3668671 is 1768663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3668671 - 2⁷ = 3668543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3668671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3668611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834335 + 1834336.

It is an arithmetic number, because the mean of its divisors is an integer number (1834336).

Almost surely, 2^3668671 is an apocalyptic number.

3668671 is a deficient number, since it is larger than the sum of its proper divisors (1).

3668671 is an equidigital number, since it uses as much as digits as its factorization.

3668671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 3668671 is about 1915.3775084823. The cubic root of 3668671 is about 154.2302593585.

The spelling of 3668671 in words is "three million, six hundred sixty-eight thousand, six hundred seventy-one".