849543 has 4 divisors (see below), whose sum is σ = 1132728. Its totient is φ = 566360.

The previous prime is 849539. The next prime is 849571. The reversal of 849543 is 345948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 849543 - 2² = 849539 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141588 + ... + 141593.

It is an arithmetic number, because the mean of its divisors is an integer number (283182).

2⁸⁴⁹⁵⁴³ is an apocalyptic number.

849543 is a deficient number, since it is larger than the sum of its proper divisors (283185).

849543 is a wasteful number, since it uses less digits than its factorization.

849543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283184.

The product of its digits is 17280, while the sum is 33.

The square root of 849543 is about 921.7065693593. The cubic root of 849543 is about 94.7098441425.

The spelling of 849543 in words is "eight hundred forty-nine thousand, five hundred forty-three".