841285 has 8 divisors (see below), whose sum is σ = 1019160. Its totient is φ = 666624.

The previous prime is 841283. The next prime is 841289. The reversal of 841285 is 582148.

841285 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 20449 + 820836 = 143^2 + 906^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 841285 - 2¹ = 841283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841283) 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, 180 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (127395).

2⁸⁴¹²⁸⁵ is an apocalyptic number.

It is an amenable number.

841285 is a deficient number, since it is larger than the sum of its proper divisors (177875).

841285 is a wasteful number, since it uses less digits than its factorization.

841285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607.

The product of its digits is 2560, while the sum is 28.

The square root of 841285 is about 917.2158960681. The cubic root of 841285 is about 94.4019680835.

It can be divided in two parts, 84 and 1285, that added together give a square (1369 = 37²).

The spelling of 841285 in words is "eight hundred forty-one thousand, two hundred eighty-five".