43404112 has 20 divisors (see below), whose sum is σ = 84203316. Its totient is φ = 21674240.

The previous prime is 43404079. The next prime is 43404131. The reversal of 43404112 is 21140434.

It can be written as a sum of positive squares in 2 ways, for example, as 31404816 + 11999296 = 5604^2 + 3464^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43404112.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17748 + ... + 20044.

Almost surely, 2^43404112 is an apocalyptic number.

It is an amenable number.

43404112 is a deficient number, since it is larger than the sum of its proper divisors (40799204).

43404112 is a wasteful number, since it uses less digits than its factorization.

43404112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 3480 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 43404112 is about 6588.1797182530. The cubic root of 43404112 is about 351.4338782173.

Adding to 43404112 its reverse (21140434), we get a palindrome (64544546).

The spelling of 43404112 in words is "forty-three million, four hundred four thousand, one hundred twelve".