43408038 has 32 divisors (see below), whose sum is σ = 95924736. Its totient is φ = 13025408.

The previous prime is 43408033. The next prime is 43408073. The reversal of 43408038 is 83080434.

43408038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43407996 and 43408014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43408031) 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, 6906 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (2997648).

Almost surely, 2^43408038 is an apocalyptic number.

43408038 is an abundant number, since it is smaller than the sum of its proper divisors (52516698).

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

43408038 is a wasteful number, since it uses less digits than its factorization.

43408038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18548.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 43408038 is about 6588.4776693862. The cubic root of 43408038 is about 351.4444738939. Note that the first 4 decimals are identical.

The spelling of 43408038 in words is "forty-three million, four hundred eight thousand, thirty-eight".