812310528 has 56 divisors (see below), whose sum is σ = 2166094728. Its totient is φ = 270761984.

The previous prime is 812310511. The next prime is 812310593. The reversal of 812310528 is 825013218.

It is a junction number, because it is equal to n+sod(n) for n = 812310495 and 812310504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8050 + ... + 41102.

It is an arithmetic number, because the mean of its divisors is an integer number (38680263).

Almost surely, 2^812310528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812310528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083047364).

812310528 is an abundant number, since it is smaller than the sum of its proper divisors (1353784200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812310528 is an equidigital number, since it uses as much as digits as its factorization.

812310528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33082 (or 33058 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 812310528 is about 28501.0618749548. The cubic root of 812310528 is about 933.0552495803.

The spelling of 812310528 in words is "eight hundred twelve million, three hundred ten thousand, five hundred twenty-eight".