43405093 has 4 divisors (see below), whose sum is σ = 43441420. Its totient is φ = 43368768.

The previous prime is 43405091. The next prime is 43405123. The reversal of 43405093 is 39050434.

43405093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34363044 + 9042049 = 5862^2 + 3007^2 .

It is a cyclic number.

It is not a de Polignac number, because 43405093 - 2¹ = 43405091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43405091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16308 + ... + 18781.

It is an arithmetic number, because the mean of its divisors is an integer number (10860355).

Almost surely, 2^43405093 is an apocalyptic number.

It is an amenable number.

43405093 is a deficient number, since it is larger than the sum of its proper divisors (36327).

43405093 is a wasteful number, since it uses less digits than its factorization.

43405093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36326.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 43405093 is about 6588.2541693532. The cubic root of 43405093 is about 351.4365258469.

The spelling of 43405093 in words is "forty-three million, four hundred five thousand, ninety-three".