812084230 has 32 divisors (see below), whose sum is σ = 1527081984. Its totient is φ = 310348896.

The previous prime is 812084183. The next prime is 812084233. The reversal of 812084230 is 32480218.

It is a super-2 number, since 2×812084230² = 1318961593229385800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812084233) 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 15 ways as a sum of consecutive naturals, for example, 279847 + ... + 282733.

It is an arithmetic number, because the mean of its divisors is an integer number (47721312).

Almost surely, 2^812084230 is an apocalyptic number.

812084230 is a deficient number, since it is larger than the sum of its proper divisors (714997754).

812084230 is a wasteful number, since it uses less digits than its factorization.

812084230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 812084230 is about 28497.0916059867. The cubic root of 812084230 is about 932.9685962869.

The spelling of 812084230 in words is "eight hundred twelve million, eighty-four thousand, two hundred thirty".