842059 has 4 divisors (see below), whose sum is σ = 846616. Its totient is φ = 837504.

The previous prime is 842047. The next prime is 842063. The reversal of 842059 is 950248.

It is a happy number.

842059 is nontrivially palindromic in base 8.

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 842059 - 2⁷ = 841931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (211654).

2⁸⁴²⁰⁵⁹ is an apocalyptic number.

842059 is a deficient number, since it is larger than the sum of its proper divisors (4557).

842059 is a wasteful number, since it uses less digits than its factorization.

842059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 842059 is about 917.6377280823. The cubic root of 842059 is about 94.4309098124.

The spelling of 842059 in words is "eight hundred forty-two thousand, fifty-nine".