43950609 has 6 divisors (see below), whose sum is σ = 63484226. Its totient is φ = 29300400.

The previous prime is 43950589. The next prime is 43950619. The reversal of 43950609 is 90605934.

43950609 is a `hidden beast` number, since 43 + 9 + 5 + 0 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28387584 + 15563025 = 5328^2 + 3945^2 .

It is not a de Polignac number, because 43950609 - 2⁷ = 43950481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43950619) 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 5 ways as a sum of consecutive naturals, for example, 2441692 + ... + 2441709.

Almost surely, 2^43950609 is an apocalyptic number.

It is an amenable number.

43950609 is a deficient number, since it is larger than the sum of its proper divisors (19533617).

43950609 is a wasteful number, since it uses less digits than its factorization.

43950609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883407 (or 4883404 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 43950609 is about 6629.5255486347. The cubic root of 43950609 is about 352.9026875332.

The spelling of 43950609 in words is "forty-three million, nine hundred fifty thousand, six hundred nine".