812262328 has 16 divisors (see below), whose sum is σ = 1523340000. Its totient is φ = 406038336.

The previous prime is 812262317. The next prime is 812262337. The reversal of 812262328 is 823262218.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 812262293 and 812262302.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38113 + ... + 55471.

It is an arithmetic number, because the mean of its divisors is an integer number (95208750).

Almost surely, 2^812262328 is an apocalyptic number.

It is an amenable number.

812262328 is a deficient number, since it is larger than the sum of its proper divisors (711077672).

812262328 is a wasteful number, since it uses less digits than its factorization.

812262328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23214 (or 23210 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 812262328 is about 28500.2162798811. The cubic root of 812262328 is about 933.0367943423.

The spelling of 812262328 in words is "eight hundred twelve million, two hundred sixty-two thousand, three hundred twenty-eight".