14209985 has 8 divisors (see below), whose sum is σ = 17468136. Its totient is φ = 11090560.

The previous prime is 14209957. The next prime is 14209999. The reversal of 14209985 is 58990241.

14209985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4624 + 14205361 = 68^2 + 3769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14209985 - 2¹² = 14205889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34454 + ... + 34863.

It is an arithmetic number, because the mean of its divisors is an integer number (2183517).

Almost surely, 2^14209985 is an apocalyptic number.

It is an amenable number.

14209985 is a deficient number, since it is larger than the sum of its proper divisors (3258151).

14209985 is an equidigital number, since it uses as much as digits as its factorization.

14209985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69363.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 14209985 is about 3769.6133754007. The cubic root of 14209985 is about 242.2132366822.

The spelling of 14209985 in words is "fourteen million, two hundred nine thousand, nine hundred eighty-five".