43339941 has 10 divisors (see below), whose sum is σ = 64742502. Its totient is φ = 28893240.

The previous prime is 43339937. The next prime is 43339957. The reversal of 43339941 is 14993334.

It can be written as a sum of positive squares in only one way, i.e., 32251041 + 11088900 = 5679^2 + 3330^2 .

It is not a de Polignac number, because 43339941 - 2² = 43339937 is a prime.

It is a Curzon number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 43339896 and 43339905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43339921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 267450 + ... + 267611.

Almost surely, 2^43339941 is an apocalyptic number.

It is an amenable number.

43339941 is a deficient number, since it is larger than the sum of its proper divisors (21402561).

43339941 is an equidigital number, since it uses as much as digits as its factorization.

43339941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535073 (or 535064 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 43339941 is about 6583.3077552246. The cubic root of 43339941 is about 351.2605998076.

The spelling of 43339941 in words is "forty-three million, three hundred thirty-nine thousand, nine hundred forty-one".