43854216 has 96 divisors (see below), whose sum is σ = 129276000. Its totient is φ = 12359424.

The previous prime is 43854211. The next prime is 43854221. The reversal of 43854216 is 61245834.

It is an interprime number because it is at equal distance from previous prime (43854211) and next prime (43854221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43854211) by changing a digit.

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, 104455 + ... + 104873.

It is an arithmetic number, because the mean of its divisors is an integer number (1346625).

Almost surely, 2^43854216 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 43854216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64638000).

43854216 is an abundant number, since it is smaller than the sum of its proper divisors (85421784).

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

43854216 is a wasteful number, since it uses less digits than its factorization.

43854216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 520 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 43854216 is about 6622.2515808447. The cubic root of 43854216 is about 352.6445018944.

The spelling of 43854216 in words is "forty-three million, eight hundred fifty-four thousand, two hundred sixteen".