43821041 has 8 divisors (see below), whose sum is σ = 48270144. Its totient is φ = 39449520.

The previous prime is 43821031. The next prime is 43821047. The reversal of 43821041 is 14012834.

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

It is not a de Polignac number, because 43821041 - 2¹⁰ = 43820017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43820998 and 43821016.

It is not an unprimeable number, because it can be changed into a prime (43821047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18206 + ... + 20471.

It is an arithmetic number, because the mean of its divisors is an integer number (6033768).

Almost surely, 2^43821041 is an apocalyptic number.

It is an amenable number.

43821041 is a deficient number, since it is larger than the sum of its proper divisors (4449103).

43821041 is a wasteful number, since it uses less digits than its factorization.

43821041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38791.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 43821041 is about 6619.7462942321. The cubic root of 43821041 is about 352.5555561883. Note that the first 5 decimals are identical.

Adding to 43821041 its reverse (14012834), we get a palindrome (57833875).

The spelling of 43821041 in words is "forty-three million, eight hundred twenty-one thousand, forty-one".