812832434 has 8 divisors (see below), whose sum is σ = 1221894828. Its totient is φ = 405534160.

The previous prime is 812832413. The next prime is 812832437. The reversal of 812832434 is 434238218.

812832434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 678342025 + 134490409 = 26045^2 + 11597^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 812832394 and 812832403.

It is not an unprimeable number, because it can be changed into a prime (812832437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439877 + ... + 441720.

Almost surely, 2^812832434 is an apocalyptic number.

812832434 is a deficient number, since it is larger than the sum of its proper divisors (409062394).

812832434 is a wasteful number, since it uses less digits than its factorization.

812832434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882060.

The product of its digits is 36864, while the sum is 35.

The square root of 812832434 is about 28510.2163092461. The cubic root of 812832434 is about 933.2550347865.

The spelling of 812832434 in words is "eight hundred twelve million, eight hundred thirty-two thousand, four hundred thirty-four".