43881048 has 64 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 14545440.

The previous prime is 43881041. The next prime is 43881083. The reversal of 43881048 is 84018834.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43881041) 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, 47713 + ... + 48623.

It is an arithmetic number, because the mean of its divisors is an integer number (1915200).

Almost surely, 2^43881048 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 43881048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61286400).

43881048 is an abundant number, since it is smaller than the sum of its proper divisors (78691752).

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

43881048 is a wasteful number, since it uses less digits than its factorization.

43881048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 43881048 is about 6624.2771681143. The cubic root of 43881048 is about 352.7164085357.

The spelling of 43881048 in words is "forty-three million, eight hundred eighty-one thousand, forty-eight".