84012912 has 60 divisors (see below), whose sum is σ = 248957280. Its totient is φ = 26356224.

The previous prime is 84012899. The next prime is 84012919. The reversal of 84012912 is 21921048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84012919) 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 11 ways as a sum of consecutive naturals, for example, 14712 + ... + 19607.

It is an arithmetic number, because the mean of its divisors is an integer number (4149288).

Almost surely, 2^84012912 is an apocalyptic number.

It is an amenable number.

84012912 is an abundant number, since it is smaller than the sum of its proper divisors (164944368).

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

84012912 is a wasteful number, since it uses less digits than its factorization.

84012912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34350 (or 34341 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 84012912 is about 9165.8557701941. The cubic root of 84012912 is about 437.9743526610.

The spelling of 84012912 in words is "eighty-four million, twelve thousand, nine hundred twelve".