43481856 has 72 divisors (see below), whose sum is σ = 126270144. Its totient is φ = 13173760.

The previous prime is 43481839. The next prime is 43481863. The reversal of 43481856 is 65818434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5875 + ... + 11021.

It is an arithmetic number, because the mean of its divisors is an integer number (1753752).

Almost surely, 2^43481856 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 43481856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63135072).

43481856 is an abundant number, since it is smaller than the sum of its proper divisors (82788288).

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

43481856 is a wasteful number, since it uses less digits than its factorization.

43481856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177 (or 5163 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 43481856 is about 6594.0773425855. The cubic root of 43481856 is about 351.6435786174.

The spelling of 43481856 in words is "forty-three million, four hundred eighty-one thousand, eight hundred fifty-six".