14285709 has 6 divisors (see below), whose sum is σ = 20634926. Its totient is φ = 9523800.

The previous prime is 14285693. The next prime is 14285717. The reversal of 14285709 is 90758241.

It can be written as a sum of positive squares in only one way, i.e., 13176900 + 1108809 = 3630^2 + 1053^2 .

It is not a de Polignac number, because 14285709 - 2⁴ = 14285693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14285749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 793642 + ... + 793659.

Almost surely, 2^14285709 is an apocalyptic number.

It is an amenable number.

14285709 is a deficient number, since it is larger than the sum of its proper divisors (6349217).

14285709 is a wasteful number, since it uses less digits than its factorization.

14285709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587307 (or 1587304 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 14285709 is about 3779.6440308579. The cubic root of 14285709 is about 242.6427203943.

The spelling of 14285709 in words is "fourteen million, two hundred eighty-five thousand, seven hundred nine".