43426005 has 24 divisors (see below), whose sum is σ = 80826912. Its totient is φ = 19851552.

The previous prime is 43425997. The next prime is 43426081. The reversal of 43426005 is 50062434.

It is not a de Polignac number, because 43426005 - 2³ = 43425997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28807 + ... + 30276.

It is an arithmetic number, because the mean of its divisors is an integer number (3367788).

Almost surely, 2^43426005 is an apocalyptic number.

It is an amenable number.

43426005 is a deficient number, since it is larger than the sum of its proper divisors (37400907).

43426005 is a wasteful number, since it uses less digits than its factorization.

43426005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59105 (or 59098 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 43426005 is about 6589.8410451239. The cubic root of 43426005 is about 351.4929559429.

Adding to 43426005 its reverse (50062434), we get a palindrome (93488439).

The spelling of 43426005 in words is "forty-three million, four hundred twenty-six thousand, five".