830928220 has 12 divisors (see below), whose sum is σ = 1744949304. Its totient is φ = 332371280.

The previous prime is 830928187. The next prime is 830928229. The reversal of 830928220 is 22829038.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830928229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20773186 + ... + 20773225.

It is an arithmetic number, because the mean of its divisors is an integer number (145412442).

Almost surely, 2^830928220 is an apocalyptic number.

It is an amenable number.

830928220 is an abundant number, since it is smaller than the sum of its proper divisors (914021084).

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

830928220 is a wasteful number, since it uses less digits than its factorization.

830928220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41546420 (or 41546418 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 830928220 is about 28825.8255736067. The cubic root of 830928220 is about 940.1298372035.

The spelling of 830928220 in words is "eight hundred thirty million, nine hundred twenty-eight thousand, two hundred twenty".