842600 has 48 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 305600.

The previous prime is 842599. The next prime is 842617. The reversal of 842600 is 6248.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 842600.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2009 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2⁸⁴²⁶⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071360).

842600 is an abundant number, since it is smaller than the sum of its proper divisors (1300120).

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

842600 is a wasteful number, since it uses less digits than its factorization.

842600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 842600 is about 917.9324593890. The cubic root of 842600 is about 94.4511285799.

Adding to 842600 its reverse (6248), we get a palindrome (848848).

The spelling of 842600 in words is "eight hundred forty-two thousand, six hundred".