832813 has 4 divisors (see below), whose sum is σ = 881820. Its totient is φ = 783808.

The previous prime is 832801. The next prime is 832837. The reversal of 832813 is 318238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318238 = 2 ⋅159119.

It can be written as a sum of positive squares in 2 ways, for example, as 227529 + 605284 = 477^2 + 778^2 .

It is a cyclic number.

It is not a de Polignac number, because 832813 - 2¹⁷ = 701741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (832883) 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 3 ways as a sum of consecutive naturals, for example, 24478 + ... + 24511.

It is an arithmetic number, because the mean of its divisors is an integer number (220455).

2⁸³²⁸¹³ is an apocalyptic number.

It is an amenable number.

832813 is a deficient number, since it is larger than the sum of its proper divisors (49007).

832813 is a wasteful number, since it uses less digits than its factorization.

832813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49006.

The product of its digits is 1152, while the sum is 25.

The square root of 832813 is about 912.5858863691. The cubic root of 832813 is about 94.0840127136.

The spelling of 832813 in words is "eight hundred thirty-two thousand, eight hundred thirteen".