839225 has 6 divisors (see below), whose sum is σ = 1040670. Its totient is φ = 671360.

The previous prime is 839221. The next prime is 839227. The reversal of 839225 is 522938.

It can be written as a sum of positive squares in 3 ways, for example, as 169 + 839056 = 13^2 + 916^2 .

It is not a de Polignac number, because 839225 - 2² = 839221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (839221) 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 5 ways as a sum of consecutive naturals, for example, 16760 + ... + 16809.

It is an arithmetic number, because the mean of its divisors is an integer number (173445).

2⁸³⁹²²⁵ is an apocalyptic number.

It is an amenable number.

839225 is a deficient number, since it is larger than the sum of its proper divisors (201445).

839225 is a wasteful number, since it uses less digits than its factorization.

839225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33579 (or 33574 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 839225 is about 916.0922442636. The cubic root of 839225 is about 94.3248531155.

The spelling of 839225 in words is "eight hundred thirty-nine thousand, two hundred twenty-five".