84084912 has 80 divisors (see below), whose sum is σ = 245520000. Its totient is φ = 27544896.

The previous prime is 84084887. The next prime is 84084929. The reversal of 84084912 is 21948048.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23839 + ... + 27137.

It is an arithmetic number, because the mean of its divisors is an integer number (3069000).

Almost surely, 2^84084912 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 84084912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122760000).

84084912 is an abundant number, since it is smaller than the sum of its proper divisors (161435088).

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

84084912 is a wasteful number, since it uses less digits than its factorization.

84084912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 3363 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 84084912 is about 9169.7825492211. The cubic root of 84084912 is about 438.0994332331.

The spelling of 84084912 in words is "eighty-four million, eighty-four thousand, nine hundred twelve".