14351985 has 20 divisors (see below), whose sum is σ = 25727988. Its totient is φ = 7654176.

The previous prime is 14351971. The next prime is 14351993. The reversal of 14351985 is 58915341.

It can be written as a sum of positive squares in 2 ways, for example, as 9529569 + 4822416 = 3087^2 + 2196^2 .

It is not a de Polignac number, because 14351985 - 2⁹ = 14351473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17314 + ... + 18123.

Almost surely, 2^14351985 is an apocalyptic number.

14351985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14351985 is a deficient number, since it is larger than the sum of its proper divisors (11376003).

14351985 is an equidigital number, since it uses as much as digits as its factorization.

14351985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35454 (or 35445 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 14351985 is about 3788.4013778902. The cubic root of 14351985 is about 243.0173741578.

The spelling of 14351985 in words is "fourteen million, three hundred fifty-one thousand, nine hundred eighty-five".