843472224 has 192 divisors, whose sum is σ = 2844979200. Its totient is φ = 238132224.

The previous prime is 843472183. The next prime is 843472229. The reversal of 843472224 is 422274348.

It is a super-2 number, since 2×843472224² = 1422890785319012352, which contains 22 as substring.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843472229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537489 + ... + 539055.

It is an arithmetic number, because the mean of its divisors is an integer number (14817600).

Almost surely, 2^843472224 is an apocalyptic number.

843472224 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 843472224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422489600).

843472224 is an abundant number, since it is smaller than the sum of its proper divisors (2001506976).

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

843472224 is a wasteful number, since it uses less digits than its factorization.

843472224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1668 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 843472224 is about 29042.5932726401. The cubic root of 843472224 is about 944.8370794975.

The spelling of 843472224 in words is "eight hundred forty-three million, four hundred seventy-two thousand, two hundred twenty-four".