43406105 has 4 divisors (see below), whose sum is σ = 52087332. Its totient is φ = 34724880.

The previous prime is 43406093. The next prime is 43406113. The reversal of 43406105 is 50160434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50160434 = 2 ⋅25080217.

It can be written as a sum of positive squares in 2 ways, for example, as 10995856 + 32410249 = 3316^2 + 5693^2 .

It is not a de Polignac number, because 43406105 - 2¹⁰ = 43405081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4340606 + ... + 4340615.

It is an arithmetic number, because the mean of its divisors is an integer number (13021833).

Almost surely, 2^43406105 is an apocalyptic number.

It is an amenable number.

43406105 is a deficient number, since it is larger than the sum of its proper divisors (8681227).

43406105 is an equidigital number, since it uses as much as digits as its factorization.

43406105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8681226.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 43406105 is about 6588.3309722569. The cubic root of 43406105 is about 351.4392571009.

Adding to 43406105 its reverse (50160434), we get a palindrome (93566539).

The spelling of 43406105 in words is "forty-three million, four hundred six thousand, one hundred five".