443484340 has 48 divisors (see below), whose sum is σ = 1007011152. Its totient is φ = 163086336.

The previous prime is 443484329. The next prime is 443484341. The reversal of 443484340 is 43484344.

It can be written as a sum of positive squares in 8 ways, for example, as 31069476 + 412414864 = 5574^2 + 20308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 443484296 and 443484305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443484341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63502 + ... + 70138.

It is an arithmetic number, because the mean of its divisors is an integer number (20979399).

Almost surely, 2^443484340 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 443484340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503505576).

443484340 is an abundant number, since it is smaller than the sum of its proper divisors (563526812).

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

443484340 is a wasteful number, since it uses less digits than its factorization.

443484340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6916 (or 6914 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The square root of 443484340 is about 21059.0678806067. The cubic root of 443484340 is about 762.5929095780.

The spelling of 443484340 in words is "four hundred forty-three million, four hundred eighty-four thousand, three hundred forty".