849967 has 2 divisors, whose sum is σ = 849968. Its totient is φ = 849966.

The previous prime is 849943. The next prime is 849973. The reversal of 849967 is 769948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 849967 - 2⁷ = 849839 is a prime.

849967 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424983 + 424984.

It is an arithmetic number, because the mean of its divisors is an integer number (424984).

2⁸⁴⁹⁹⁶⁷ is an apocalyptic number.

849967 is a deficient number, since it is larger than the sum of its proper divisors (1).

849967 is an equidigital number, since it uses as much as digits as its factorization.

849967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 849967 is about 921.9365487928. The cubic root of 849967 is about 94.7255978262.

The spelling of 849967 in words is "eight hundred forty-nine thousand, nine hundred sixty-seven".