789671 has 2 divisors, whose sum is σ = 789672. Its totient is φ = 789670.

The previous prime is 789653. The next prime is 789673. The reversal of 789671 is 176987.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 789671 - 2¹⁴ = 773287 is a prime.

It is a Sophie Germain prime.

Together with 789673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (789673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394835 + 394836.

It is an arithmetic number, because the mean of its divisors is an integer number (394836).

2⁷⁸⁹⁶⁷¹ is an apocalyptic number.

789671 is a deficient number, since it is larger than the sum of its proper divisors (1).

789671 is an equidigital number, since it uses as much as digits as its factorization.

789671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 38.

The square root of 789671 is about 888.6343454988. The cubic root of 789671 is about 92.4305200180.

The spelling of 789671 in words is "seven hundred eighty-nine thousand, six hundred seventy-one".