84386912 has 48 divisors (see below), whose sum is σ = 178863552. Its totient is φ = 39045120.

The previous prime is 84386909. The next prime is 84386947. The reversal of 84386912 is 21968348.

It is a self number, because there is not a number n which added to its sum of digits gives 84386912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31913 + ... + 34455.

It is an arithmetic number, because the mean of its divisors is an integer number (3726324).

Almost surely, 2^84386912 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 84386912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89431776).

84386912 is an abundant number, since it is smaller than the sum of its proper divisors (94476640).

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

84386912 is a wasteful number, since it uses less digits than its factorization.

84386912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631 (or 2623 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 84386912 is about 9186.2349197046. The cubic root of 84386912 is about 438.6233002936.

The spelling of 84386912 in words is "eighty-four million, three hundred eighty-six thousand, nine hundred twelve".