43930243 has 4 divisors (see below), whose sum is σ = 50206000. Its totient is φ = 37654488.

The previous prime is 43930231. The next prime is 43930259. The reversal of 43930243 is 34203934.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43930243 - 2⁹ = 43929731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43930213) 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, 3137868 + ... + 3137881.

It is an arithmetic number, because the mean of its divisors is an integer number (12551500).

Almost surely, 2^43930243 is an apocalyptic number.

43930243 is a deficient number, since it is larger than the sum of its proper divisors (6275757).

43930243 is an equidigital number, since it uses as much as digits as its factorization.

43930243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275756.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 43930243 is about 6627.9893632986. The cubic root of 43930243 is about 352.8481693159.

The spelling of 43930243 in words is "forty-three million, nine hundred thirty thousand, two hundred forty-three".