830105 has 4 divisors (see below), whose sum is σ = 996132. Its totient is φ = 664080.

The previous prime is 830099. The next prime is 830111. The reversal of 830105 is 501038.

830105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (830099) and next prime (830111).

It can be written as a sum of positive squares in 2 ways, for example, as 177241 + 652864 = 421^2 + 808^2 .

It is not a de Polignac number, because 830105 - 2⁶ = 830041 is a prime.

It is a super-2 number, since 2×830105² = 1378148622050, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83006 + ... + 83015.

It is an arithmetic number, because the mean of its divisors is an integer number (249033).

2⁸³⁰¹⁰⁵ is an apocalyptic number.

It is an amenable number.

830105 is a deficient number, since it is larger than the sum of its proper divisors (166027).

830105 is a wasteful number, since it uses less digits than its factorization.

830105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166026.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 830105 is about 911.1009823285. The cubic root of 830105 is about 93.9819265086.

The spelling of 830105 in words is "eight hundred thirty thousand, one hundred five".