842270 has 64 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 259200.

The previous prime is 842267. The next prime is 842279. The reversal of 842270 is 72248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842279) 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 31 ways as a sum of consecutive naturals, for example, 27155 + ... + 27185.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2⁸⁴²²⁷⁰ is an apocalyptic number.

842270 is an abundant number, since it is smaller than the sum of its proper divisors (1093090).

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

842270 is a wasteful number, since it uses less digits than its factorization.

842270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 842270 is about 917.7526899988. The cubic root of 842270 is about 94.4387965353.

The spelling of 842270 in words is "eight hundred forty-two thousand, two hundred seventy".