43609396 has 12 divisors (see below), whose sum is σ = 78091552. Its totient is φ = 21297528.

The previous prime is 43609393. The next prime is 43609441. The reversal of 43609396 is 69390634.

43609396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43609393) 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, 126600 + ... + 126943.

Almost surely, 2^43609396 is an apocalyptic number.

It is an amenable number.

43609396 is a deficient number, since it is larger than the sum of its proper divisors (34482156).

43609396 is a wasteful number, since it uses less digits than its factorization.

43609396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253590 (or 253588 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 43609396 is about 6603.7410609442. The cubic root of 43609396 is about 351.9870540177.

The spelling of 43609396 in words is "forty-three million, six hundred nine thousand, three hundred ninety-six".