14185989 has 16 divisors (see below), whose sum is σ = 22123200. Its totient is φ = 8959248.

The previous prime is 14185987. The next prime is 14185991. The reversal of 14185989 is 98958141.

It is an interprime number because it is at equal distance from previous prime (14185987) and next prime (14185991).

It is not a de Polignac number, because 14185989 - 2¹ = 14185987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14185981) 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 15 ways as a sum of consecutive naturals, for example, 13314 + ... + 14339.

It is an arithmetic number, because the mean of its divisors is an integer number (1382700).

Almost surely, 2^14185989 is an apocalyptic number.

14185989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14185989 is a deficient number, since it is larger than the sum of its proper divisors (7937211).

14185989 is a wasteful number, since it uses less digits than its factorization.

14185989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27681 (or 27675 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 14185989 is about 3766.4292108043. The cubic root of 14185989 is about 242.0768203171.

The spelling of 14185989 in words is "fourteen million, one hundred eighty-five thousand, nine hundred eighty-nine".