43941138 has 8 divisors (see below), whose sum is σ = 87882288. Its totient is φ = 14647044.

The previous prime is 43941133. The next prime is 43941181. The reversal of 43941138 is 83114934.

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

43941138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 43941099 and 43941108.

It is not an unprimeable number, because it can be changed into a prime (43941133) 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, 3661756 + ... + 3661767.

It is an arithmetic number, because the mean of its divisors is an integer number (10985286).

Almost surely, 2^43941138 is an apocalyptic number.

43941138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43941138 is a wasteful number, since it uses less digits than its factorization.

43941138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323528.

The product of its digits is 10368, while the sum is 33.

The square root of 43941138 is about 6628.8112056386. The cubic root of 43941138 is about 352.8773364893.

The spelling of 43941138 in words is "forty-three million, nine hundred forty-one thousand, one hundred thirty-eight".