43623216 has 120 divisors (see below), whose sum is σ = 150302880. Its totient is φ = 11501568.

The previous prime is 43623197. The next prime is 43623227. The reversal of 43623216 is 61232634.

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

It is a self number, because there is not a number n which added to its sum of digits gives 43623216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11440 + ... + 14768.

It is an arithmetic number, because the mean of its divisors is an integer number (1252524).

Almost surely, 2^43623216 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 43623216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75151440).

43623216 is an abundant number, since it is smaller than the sum of its proper divisors (106679664).

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

43623216 is a wasteful number, since it uses less digits than its factorization.

43623216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3354 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 43623216 is about 6604.7873546391. The cubic root of 43623216 is about 352.0242321472.

The spelling of 43623216 in words is "forty-three million, six hundred twenty-three thousand, two hundred sixteen".