830530 has 24 divisors (see below), whose sum is σ = 1572732. Its totient is φ = 315744.

The previous prime is 830513. The next prime is 830549. The reversal of 830530 is 35038.

It can be written as a sum of positive squares in 2 ways, for example, as 804609 + 25921 = 897^2 + 161^2 .

It is a junction number, because it is equal to n+sod(n) for n = 830498 and 830507.

It is an unprimeable number.

830530 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 11 ways as a sum of consecutive naturals, for example, 5212 + ... + 5368.

2⁸³⁰⁵³⁰ is an apocalyptic number.

830530 is a deficient number, since it is larger than the sum of its proper divisors (742202).

830530 is a wasteful number, since it uses less digits than its factorization.

830530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 830530 is about 911.3341867833. The cubic root of 830530 is about 93.9979628350.

Adding to 830530 its reverse (35038), we get a palindrome (865568).

The spelling of 830530 in words is "eight hundred thirty thousand, five hundred thirty".