849842 has 8 divisors (see below), whose sum is σ = 1456896. Its totient is φ = 364212.

The previous prime is 849839. The next prime is 849857. The reversal of 849842 is 248948.

It is a sphenic number, since it is the product of 3 distinct primes.

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 849842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30338 + ... + 30365.

It is an arithmetic number, because the mean of its divisors is an integer number (182112).

2⁸⁴⁹⁸⁴² is an apocalyptic number.

849842 is a deficient number, since it is larger than the sum of its proper divisors (607054).

849842 is a wasteful number, since it uses less digits than its factorization.

849842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60712.

The product of its digits is 18432, while the sum is 35.

The square root of 849842 is about 921.8687542161. The cubic root of 849842 is about 94.7209540066.

The spelling of 849842 in words is "eight hundred forty-nine thousand, eight hundred forty-two".