830506 has 4 divisors (see below), whose sum is σ = 1245762. Its totient is φ = 415252.

The previous prime is 830503. The next prime is 830513. The reversal of 830506 is 605038.

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

It can be written as a sum of positive squares in only one way, i.e., 826281 + 4225 = 909^2 + 65^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (830503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207625 + ... + 207628.

2⁸³⁰⁵⁰⁶ is an apocalyptic number.

830506 is a deficient number, since it is larger than the sum of its proper divisors (415256).

830506 is a wasteful number, since it uses less digits than its factorization.

830506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415255.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 830506 is about 911.3210191804. The cubic root of 830506 is about 93.9970574000.

The spelling of 830506 in words is "eight hundred thirty thousand, five hundred six".