84064812 has 24 divisors (see below), whose sum is σ = 211240176. Its totient is φ = 25866048.

The previous prime is 84064787. The next prime is 84064819. The reversal of 84064812 is 21846048.

It is not an unprimeable number, because it can be changed into a prime (84064819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269283 + ... + 269594.

It is an arithmetic number, because the mean of its divisors is an integer number (8801674).

Almost surely, 2^84064812 is an apocalyptic number.

It is an amenable number.

84064812 is an abundant number, since it is smaller than the sum of its proper divisors (127175364).

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

84064812 is a wasteful number, since it uses less digits than its factorization.

84064812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538897 (or 538895 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 84064812 is about 9168.6864926226. The cubic root of 84064812 is about 438.0645220933.

The spelling of 84064812 in words is "eighty-four million, sixty-four thousand, eight hundred twelve".