842808 has 16 divisors (see below), whose sum is σ = 2107080. Its totient is φ = 280928.

The previous prime is 842801. The next prime is 842813. The reversal of 842808 is 808248.

842808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 842808.

It is not an unprimeable number, because it can be changed into a prime (842801) by changing a digit.

842808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17535 + ... + 17582.

2⁸⁴²⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

842808 is an abundant number, since it is smaller than the sum of its proper divisors (1264272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842808 is a wasteful number, since it uses less digits than its factorization.

842808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35126 (or 35122 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 842808 is about 918.0457504940. The cubic root of 842808 is about 94.4588998507.

The spelling of 842808 in words is "eight hundred forty-two thousand, eight hundred eight".