43609049 has 8 divisors (see below), whose sum is σ = 47752320. Its totient is φ = 39495600.

The previous prime is 43609039. The next prime is 43609061. The reversal of 43609049 is 94090634.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43609049 - 2²⁰ = 42560473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43609039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4334 + ... + 10295.

It is an arithmetic number, because the mean of its divisors is an integer number (5969040).

Almost surely, 2^43609049 is an apocalyptic number.

It is an amenable number.

43609049 is a deficient number, since it is larger than the sum of its proper divisors (4143271).

43609049 is a wasteful number, since it uses less digits than its factorization.

43609049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14911.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 43609049 is about 6603.7147879054. The cubic root of 43609049 is about 351.9861204281.

The spelling of 43609049 in words is "forty-three million, six hundred nine thousand, forty-nine".