842180 has 24 divisors (see below), whose sum is σ = 1873368. Its totient is φ = 316928.

The previous prime is 842173. The next prime is 842183. The reversal of 842180 is 81248.

842180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 173056 + 669124 = 416^2 + 818^2 .

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 842180.

It is not an unprimeable number, because it can be changed into a prime (842183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (78057).

2⁸⁴²¹⁸⁰ is an apocalyptic number.

It is an amenable number.

842180 is an abundant number, since it is smaller than the sum of its proper divisors (1031188).

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

842180 is a wasteful number, since it uses less digits than its factorization.

842180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 842180 is about 917.7036558715. The cubic root of 842180 is about 94.4354326913.

The spelling of 842180 in words is "eight hundred forty-two thousand, one hundred eighty".