43027985 has 32 divisors (see below), whose sum is σ = 69334272. Its totient is φ = 24756480.

The previous prime is 43027961. The next prime is 43027987. The reversal of 43027985 is 58972034.

It is a de Polignac number, because none of the positive numbers 2^k-43027985 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43027987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707 + ... + 9303.

It is an arithmetic number, because the mean of its divisors is an integer number (2166696).

Almost surely, 2^43027985 is an apocalyptic number.

It is an amenable number.

43027985 is a deficient number, since it is larger than the sum of its proper divisors (26306287).

43027985 is a wasteful number, since it uses less digits than its factorization.

43027985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8633.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 43027985 is about 6559.5720134777. The cubic root of 43027985 is about 350.4157915683.

Subtracting 43027985 from its reverse (58972034), we obtain a square (15944049 = 3993²).

The spelling of 43027985 in words is "forty-three million, twenty-seven thousand, nine hundred eighty-five".