84318912 has 168 divisors, whose sum is σ = 261518400. Its totient is φ = 25878528.

The previous prime is 84318881. The next prime is 84318917. The reversal of 84318912 is 21981348.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (84318917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773514 + ... + 773622.

Almost surely, 2^84318912 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 84318912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130759200).

84318912 is an abundant number, since it is smaller than the sum of its proper divisors (177199488).

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

84318912 is a wasteful number, since it uses less digits than its factorization.

84318912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 210 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 84318912 is about 9182.5329838776. The cubic root of 84318912 is about 438.5054526369.

The spelling of 84318912 in words is "eighty-four million, three hundred eighteen thousand, nine hundred twelve".