812310832 has 40 divisors (see below), whose sum is σ = 1595790720. Its totient is φ = 400519680.

The previous prime is 812310809. The next prime is 812310833. The reversal of 812310832 is 238013218.

It is a self number, because there is not a number n which added to its sum of digits gives 812310832.

It is not an unprimeable number, because it can be changed into a prime (812310833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940833 + ... + 941695.

It is an arithmetic number, because the mean of its divisors is an integer number (39894768).

Almost surely, 2^812310832 is an apocalyptic number.

It is an amenable number.

812310832 is a deficient number, since it is larger than the sum of its proper divisors (783479888).

812310832 is a wasteful number, since it uses less digits than its factorization.

812310832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 812310832 is about 28501.0672080889. The cubic root of 812310832 is about 933.0553659762.

The spelling of 812310832 in words is "eight hundred twelve million, three hundred ten thousand, eight hundred thirty-two".