84223744 has 54 divisors (see below), whose sum is σ = 184859360. Its totient is φ = 38269440.

The previous prime is 84223709. The next prime is 84223747. The reversal of 84223744 is 44732248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84223747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29617 + ... + 32335.

Almost surely, 2^84223744 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 84223744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92429680).

84223744 is an abundant number, since it is smaller than the sum of its proper divisors (100635616).

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

84223744 is a wasteful number, since it uses less digits than its factorization.

84223744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2732 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 84223744 is about 9177.3495084365. The cubic root of 84223744 is about 438.3404149399.

The spelling of 84223744 in words is "eighty-four million, two hundred twenty-three thousand, seven hundred forty-four".