84319744 has 40 divisors (see below), whose sum is σ = 173067048. Its totient is φ = 41011200.

The previous prime is 84319727. The next prime is 84319747. The reversal of 84319744 is 44791348.

It is a junction number, because it is equal to n+sod(n) for n = 84319697 and 84319706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84319747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16719 + ... + 21169.

Almost surely, 2^84319744 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 84319744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86533524).

84319744 is an abundant number, since it is smaller than the sum of its proper divisors (88747304).

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

84319744 is an equidigital number, since it uses as much as digits as its factorization.

84319744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506 (or 4490 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 84319744 is about 9182.5782871697. The cubic root of 84319744 is about 438.5068949205.

The spelling of 84319744 in words is "eighty-four million, three hundred nineteen thousand, seven hundred forty-four".