830765 has 8 divisors (see below), whose sum is σ = 1073688. Its totient is φ = 613440.

The previous prime is 830743. The next prime is 830777. The reversal of 830765 is 567038.

It can be written as a sum of positive squares in 4 ways, for example, as 51076 + 779689 = 226^2 + 883^2 .

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

It is not a de Polignac number, because 830765 - 2¹² = 826669 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 6326 + ... + 6455.

It is an arithmetic number, because the mean of its divisors is an integer number (134211).

2⁸³⁰⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

830765 is a deficient number, since it is larger than the sum of its proper divisors (242923).

830765 is a wasteful number, since it uses less digits than its factorization.

830765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12799.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 830765 is about 911.4631095113. The cubic root of 830765 is about 94.0068276314.

The spelling of 830765 in words is "eight hundred thirty thousand, seven hundred sixty-five".