43038648 has 64 divisors (see below), whose sum is σ = 125856000. Its totient is φ = 13589856.

The previous prime is 43038641. The next prime is 43038691. The reversal of 43038648 is 84683034.

43038648 is a `hidden beast` number, since 4 + 3 + 0 + 3 + 8 + 648 = 666.

43038648 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (43038641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1140 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (1966500).

Almost surely, 2^43038648 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 43038648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62928000).

43038648 is an abundant number, since it is smaller than the sum of its proper divisors (82817352).

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

43038648 is a wasteful number, since it uses less digits than its factorization.

43038648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521 (or 10511 counting only the distinct ones).

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

The square root of 43038648 is about 6560.3847448149. The cubic root of 43038648 is about 350.4447353280. Note that the first 3 decimals are identical.

The spelling of 43038648 in words is "forty-three million, thirty-eight thousand, six hundred forty-eight".