43985607 has 4 divisors (see below), whose sum is σ = 58647480. Its totient is φ = 29323736.

The previous prime is 43985593. The next prime is 43985611. The reversal of 43985607 is 70658934.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43985607 - 2⁸ = 43985351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43985677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7330932 + ... + 7330937.

It is an arithmetic number, because the mean of its divisors is an integer number (14661870).

Almost surely, 2^43985607 is an apocalyptic number.

43985607 is a deficient number, since it is larger than the sum of its proper divisors (14661873).

43985607 is a wasteful number, since it uses less digits than its factorization.

43985607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14661872.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 43985607 is about 6632.1645787782. The cubic root of 43985607 is about 352.9963351651.

The spelling of 43985607 in words is "forty-three million, nine hundred eighty-five thousand, six hundred seven".