43104401 has 4 divisors (see below), whose sum is σ = 45639972. Its totient is φ = 40568832.

The previous prime is 43104389. The next prime is 43104409. The reversal of 43104401 is 10440134.

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 40132225 + 2972176 = 6335^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 43104401 - 2¹⁸ = 42842257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 2535553 = 43104401 / (4 + 3 + 1 + 0 + 4 + 4 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43104401.

It is not an unprimeable number, because it can be changed into a prime (43104409) by changing a digit.

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, 1267760 + ... + 1267793.

It is an arithmetic number, because the mean of its divisors is an integer number (11409993).

Almost surely, 2^43104401 is an apocalyptic number.

It is an amenable number.

43104401 is a deficient number, since it is larger than the sum of its proper divisors (2535571).

43104401 is a wasteful number, since it uses less digits than its factorization.

43104401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535570.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 43104401 is about 6565.3941998939. The cubic root of 43104401 is about 350.6231104167.

Adding to 43104401 its reverse (10440134), we get a palindrome (53544535).

The spelling of 43104401 in words is "forty-three million, one hundred four thousand, four hundred one".