43384138 has 8 divisors (see below), whose sum is σ = 74372832. Its totient is φ = 18593196.

The previous prime is 43384127. The next prime is 43384139. The reversal of 43384138 is 83148334.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (43384139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1549420 + ... + 1549447.

It is an arithmetic number, because the mean of its divisors is an integer number (9296604).

Almost surely, 2^43384138 is an apocalyptic number.

43384138 is a deficient number, since it is larger than the sum of its proper divisors (30988694).

43384138 is a wasteful number, since it uses less digits than its factorization.

43384138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098876.

The product of its digits is 27648, while the sum is 34.

The square root of 43384138 is about 6586.6636470978. The cubic root of 43384138 is about 351.3799615337.

The spelling of 43384138 in words is "forty-three million, three hundred eighty-four thousand, one hundred thirty-eight".