849743 has 2 divisors, whose sum is σ = 849744. Its totient is φ = 849742.

The previous prime is 849733. The next prime is 849763. The reversal of 849743 is 347948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 849743 - 2⁴ = 849727 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424871 + 424872.

It is an arithmetic number, because the mean of its divisors is an integer number (424872).

2⁸⁴⁹⁷⁴³ is an apocalyptic number.

849743 is a deficient number, since it is larger than the sum of its proper divisors (1).

849743 is an equidigital number, since it uses as much as digits as its factorization.

849743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 849743 is about 921.8150573732. The cubic root of 849743 is about 94.7172757783.

The spelling of 849743 in words is "eight hundred forty-nine thousand, seven hundred forty-three".