842271 has 8 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 558552.

The previous prime is 842267. The next prime is 842279. The reversal of 842271 is 172248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 842271 - 2² = 842267 is a prime.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 1298.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2⁸⁴²²⁷¹ is an apocalyptic number.

842271 is a deficient number, since it is larger than the sum of its proper divisors (286689).

842271 is a wasteful number, since it uses less digits than its factorization.

842271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485.

The product of its digits is 896, while the sum is 24.

The square root of 842271 is about 917.7532348077. The cubic root of 842271 is about 94.4388339099.

The spelling of 842271 in words is "eight hundred forty-two thousand, two hundred seventy-one".