43240004 has 6 divisors (see below), whose sum is σ = 75670014. Its totient is φ = 21620000.

The previous prime is 43240003. The next prime is 43240037. The reversal of 43240004 is 40004234.

It can be written as a sum of positive squares in only one way, i.e., 39037504 + 4202500 = 6248^2 + 2050^2 .

It is not an unprimeable number, because it can be changed into a prime (43240003) 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 as a sum of consecutive naturals, namely, 5404997 + ... + 5405004.

It is an arithmetic number, because the mean of its divisors is an integer number (12611669).

Almost surely, 2^43240004 is an apocalyptic number.

It is an amenable number.

43240004 is a deficient number, since it is larger than the sum of its proper divisors (32430010).

43240004 is a wasteful number, since it uses less digits than its factorization.

43240004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10810005 (or 10810003 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 43240004 is about 6575.7131932590. The cubic root of 43240004 is about 350.9904029540.

Adding to 43240004 its reverse (40004234), we get a palindrome (83244238).

The spelling of 43240004 in words is "forty-three million, two hundred forty thousand, four".