830838 has 16 divisors (see below), whose sum is σ = 1690560. Its totient is φ = 272136.

The previous prime is 830833. The next prime is 830839. The reversal of 830838 is 838038.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830833) by changing a digit.

830838 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 7 ways as a sum of consecutive naturals, for example, 820 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (105660).

2⁸³⁰⁸³⁸ is an apocalyptic number.

830838 is an abundant number, since it is smaller than the sum of its proper divisors (859722).

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

830838 is a wasteful number, since it uses less digits than its factorization.

830838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 830838 is about 911.5031541361. The cubic root of 830838 is about 94.0095810364.

The spelling of 830838 in words is "eight hundred thirty thousand, eight hundred thirty-eight".