43442928 has 120 divisors (see below), whose sum is σ = 128250720. Its totient is φ = 13708800.

The previous prime is 43442909. The next prime is 43442933. The reversal of 43442928 is 82924434.

43442928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 43442892 and 43442901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421725 + ... + 421827.

It is an arithmetic number, because the mean of its divisors is an integer number (1068756).

Almost surely, 2^43442928 is an apocalyptic number.

43442928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43442928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64125360).

43442928 is an abundant number, since it is smaller than the sum of its proper divisors (84807792).

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

43442928 is a wasteful number, since it uses less digits than its factorization.

43442928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 238 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 43442928 is about 6591.1249419200. The cubic root of 43442928 is about 351.5386086401.

The spelling of 43442928 in words is "forty-three million, four hundred forty-two thousand, nine hundred twenty-eight".