4431671 has 2 divisors, whose sum is σ = 4431672. Its totient is φ = 4431670.

The previous prime is 4431659. The next prime is 4431673. The reversal of 4431671 is 1761344.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4431671 - 2¹⁸ = 4169527 is a prime.

It is a Sophie Germain prime.

Together with 4431673, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4431671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4431673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215835 + 2215836.

It is an arithmetic number, because the mean of its divisors is an integer number (2215836).

Almost surely, 2^4431671 is an apocalyptic number.

4431671 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431671 is an equidigital number, since it uses as much as digits as its factorization.

4431671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 4431671 is about 2105.1534385883. The cubic root of 4431671 is about 164.2564770367.

The spelling of 4431671 in words is "four million, four hundred thirty-one thousand, six hundred seventy-one".