43340993 has 16 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 39695040.

The previous prime is 43340963. The next prime is 43341013. The reversal of 43340993 is 39904334.

It is a cyclic number.

It is not a de Polignac number, because 43340993 - 2²⁰ = 42292417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43340933) 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 15 ways as a sum of consecutive naturals, for example, 120548 + ... + 120906.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^43340993 is an apocalyptic number.

It is an amenable number.

43340993 is a deficient number, since it is larger than the sum of its proper divisors (3833407).

43340993 is a wasteful number, since it uses less digits than its factorization.

43340993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 43340993 is about 6583.3876537843. The cubic root of 43340993 is about 351.2634418601.

The spelling of 43340993 in words is "forty-three million, three hundred forty thousand, nine hundred ninety-three".