2832813 has 20 divisors (see below), whose sum is σ = 4340028. Its totient is φ = 1840320.

The previous prime is 2832803. The next prime is 2832847. The reversal of 2832813 is 3182382.

It can be written as a sum of positive squares in 2 ways, for example, as 149769 + 2683044 = 387^2 + 1638^2 .

It is not a de Polignac number, because 2832813 - 2¹⁰ = 2831789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2832803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2895 + ... + 3747.

2^2832813 is an apocalyptic number.

It is an amenable number.

2832813 is a deficient number, since it is larger than the sum of its proper divisors (1507215).

2832813 is an equidigital number, since it uses as much as digits as its factorization.

2832813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 897 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2832813 is about 1683.0962539320. The cubic root of 2832813 is about 141.4944164078.

The spelling of 2832813 in words is "two million, eight hundred thirty-two thousand, eight hundred thirteen".