43604061 has 4 divisors (see below), whose sum is σ = 58138752. Its totient is φ = 29069372.

The previous prime is 43604051. The next prime is 43604063. The reversal of 43604061 is 16040634.

43604061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43604061 - 2⁷ = 43603933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43604063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7267341 + ... + 7267346.

It is an arithmetic number, because the mean of its divisors is an integer number (14534688).

Almost surely, 2^43604061 is an apocalyptic number.

It is an amenable number.

43604061 is a deficient number, since it is larger than the sum of its proper divisors (14534691).

43604061 is a wasteful number, since it uses less digits than its factorization.

43604061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14534690.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 43604061 is about 6603.3371108857. The cubic root of 43604061 is about 351.9726998671.

Adding to 43604061 its reverse (16040634), we get a palindrome (59644695).

The spelling of 43604061 in words is "forty-three million, six hundred four thousand, sixty-one".