839380 has 12 divisors (see below), whose sum is σ = 1762740. Its totient is φ = 335744.

The previous prime is 839369. The next prime is 839381. The reversal of 839380 is 83938.

It can be written as a sum of positive squares in 2 ways, for example, as 318096 + 521284 = 564^2 + 722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839381) 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 3 ways as a sum of consecutive naturals, for example, 20965 + ... + 21004.

It is an arithmetic number, because the mean of its divisors is an integer number (146895).

2⁸³⁹³⁸⁰ is an apocalyptic number.

It is an amenable number.

839380 is an abundant number, since it is smaller than the sum of its proper divisors (923360).

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

839380 is a wasteful number, since it uses less digits than its factorization.

839380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41978 (or 41976 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 839380 is about 916.1768388253. The cubic root of 839380 is about 94.3306598428.

The spelling of 839380 in words is "eight hundred thirty-nine thousand, three hundred eighty".