14009985 has 72 divisors (see below), whose sum is σ = 27885312. Its totient is φ = 6494400.

The previous prime is 14009981. The next prime is 14009993. The reversal of 14009985 is 58990041.

It is not a de Polignac number, because 14009985 - 2² = 14009981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14009981) 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 71 ways as a sum of consecutive naturals, for example, 168754 + ... + 168836.

It is an arithmetic number, because the mean of its divisors is an integer number (387296).

Almost surely, 2^14009985 is an apocalyptic number.

14009985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14009985 is a deficient number, since it is larger than the sum of its proper divisors (13875327).

14009985 is a wasteful number, since it uses less digits than its factorization.

14009985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 14009985 is about 3742.9914506982. The cubic root of 14009985 is about 241.0715110641.

The spelling of 14009985 in words is "fourteen million, nine thousand, nine hundred eighty-five".