830819 has 8 divisors (see below), whose sum is σ = 926208. Its totient is φ = 738760.

The previous prime is 830801. The next prime is 830827. The reversal of 830819 is 918038.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 830819 - 2¹² = 826723 is a prime.

It is a super-2 number, since 2×830819² = 1380520421522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 830791 and 830800.

It is not an unprimeable number, because it can be changed into a prime (830839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287 + ... + 1320.

It is an arithmetic number, because the mean of its divisors is an integer number (115776).

2⁸³⁰⁸¹⁹ is an apocalyptic number.

830819 is a deficient number, since it is larger than the sum of its proper divisors (95389).

830819 is a wasteful number, since it uses less digits than its factorization.

830819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 830819 is about 911.4927317319. The cubic root of 830819 is about 94.0088644123.

The spelling of 830819 in words is "eight hundred thirty thousand, eight hundred nineteen".