812324090 has 24 divisors (see below), whose sum is σ = 1553259132. Its totient is φ = 305815040.

The previous prime is 812324089. The next prime is 812324111. The reversal of 812324090 is 90423218.

812324090 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 6 ways, for example, as 586753729 + 225570361 = 24223^2 + 15019^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137651 + ... + 143430.

Almost surely, 2^812324090 is an apocalyptic number.

812324090 is a deficient number, since it is larger than the sum of its proper divisors (740935042).

812324090 is a wasteful number, since it uses less digits than its factorization.

812324090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281122 (or 281105 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 812324090 is about 28501.2997949216. The cubic root of 812324090 is about 933.0604421861.

The spelling of 812324090 in words is "eight hundred twelve million, three hundred twenty-four thousand, ninety".