43404113 has 6 divisors (see below), whose sum is σ = 45809154. Its totient is φ = 41119344.

The previous prime is 43404079. The next prime is 43404131. The reversal of 43404113 is 31140434.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30780304 + 12623809 = 5548^2 + 3553^2 .

It is a de Polignac number, because none of the positive numbers 2^k-43404113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43404133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59756 + ... + 60477.

It is an arithmetic number, because the mean of its divisors is an integer number (7634859).

Almost surely, 2^43404113 is an apocalyptic number.

It is an amenable number.

43404113 is a deficient number, since it is larger than the sum of its proper divisors (2405041).

43404113 is a wasteful number, since it uses less digits than its factorization.

43404113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120271 (or 120252 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 43404113 is about 6588.1797941465. The cubic root of 43404113 is about 351.4338809162.

Adding to 43404113 its reverse (31140434), we get a palindrome (74544547).

The spelling of 43404113 in words is "forty-three million, four hundred four thousand, one hundred thirteen".