839220 has 48 divisors (see below), whose sum is σ = 2395008. Its totient is φ = 219520.

The previous prime is 839207. The next prime is 839221. The reversal of 839220 is 22938.

839220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 839220.

It is not an unprimeable number, because it can be changed into a prime (839221) by changing a digit.

839220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4162 + ... + 4358.

It is an arithmetic number, because the mean of its divisors is an integer number (49896).

2⁸³⁹²²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 839220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197504).

839220 is an abundant number, since it is smaller than the sum of its proper divisors (1555788).

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

839220 is a wasteful number, since it uses less digits than its factorization.

839220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 839220 is about 916.0895152768. The cubic root of 839220 is about 94.3246657898.

The spelling of 839220 in words is "eight hundred thirty-nine thousand, two hundred twenty".