842065 has 16 divisors (see below), whose sum is σ = 1180800. Its totient is φ = 576240.

The previous prime is 842063. The next prime is 842071. The reversal of 842065 is 560248.

842065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 842065 - 2¹ = 842063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470 + ... + 1960.

It is an arithmetic number, because the mean of its divisors is an integer number (73800).

2⁸⁴²⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

842065 is a deficient number, since it is larger than the sum of its proper divisors (338735).

842065 is an equidigital number, since it uses as much as digits as its factorization.

842065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 842065 is about 917.6409973405. The cubic root of 842065 is about 94.4311340976.

The spelling of 842065 in words is "eight hundred forty-two thousand, sixty-five".