830420 has 12 divisors (see below), whose sum is σ = 1743924. Its totient is φ = 332160.

The previous prime is 830419. The next prime is 830441. The reversal of 830420 is 24038.

It can be written as a sum of positive squares in 2 ways, for example, as 521284 + 309136 = 722^2 + 556^2 .

It is a congruent number.

It is an unprimeable number.

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, 20741 + ... + 20780.

It is an arithmetic number, because the mean of its divisors is an integer number (145327).

2⁸³⁰⁴²⁰ is an apocalyptic number.

It is an amenable number.

830420 is an abundant number, since it is smaller than the sum of its proper divisors (913504).

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

830420 is a wasteful number, since it uses less digits than its factorization.

830420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41530 (or 41528 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 830420 is about 911.2738337075. The cubic root of 830420 is about 93.9938127812.

Adding to 830420 its reverse (24038), we get a palindrome (854458).

The spelling of 830420 in words is "eight hundred thirty thousand, four hundred twenty".