842886 has 60 divisors (see below), whose sum is σ = 2124276. Its totient is φ = 249480.

The previous prime is 842879. The next prime is 842887. The reversal of 842886 is 688248.

842886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 842886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842887) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 19581 + ... + 19623.

2⁸⁴²⁸⁸⁶ is an apocalyptic number.

842886 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 842886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062138).

842886 is an abundant number, since it is smaller than the sum of its proper divisors (1281390).

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

842886 is a wasteful number, since it uses less digits than its factorization.

842886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 59 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 842886 is about 918.0882310541. The cubic root of 842886 is about 94.4618137476.

It can be divided in two parts, 842 and 886, that added together give a cube (1728 = 12³).

The spelling of 842886 in words is "eight hundred forty-two thousand, eight hundred eighty-six".