847967 has 2 divisors, whose sum is σ = 847968. Its totient is φ = 847966.

The previous prime is 847949. The next prime is 847969. The reversal of 847967 is 769748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 847967 - 2¹⁰ = 846943 is a prime.

Together with 847969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 847967.

It is not a weakly prime, because it can be changed into another prime (847969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423983 + 423984.

It is an arithmetic number, because the mean of its divisors is an integer number (423984).

2⁸⁴⁷⁹⁶⁷ is an apocalyptic number.

847967 is a deficient number, since it is larger than the sum of its proper divisors (1).

847967 is an equidigital number, since it uses as much as digits as its factorization.

847967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 847967 is about 920.8512366284. The cubic root of 847967 is about 94.6512420041.

The spelling of 847967 in words is "eight hundred forty-seven thousand, nine hundred sixty-seven".