14386689 has 6 divisors (see below), whose sum is σ = 20780786. Its totient is φ = 9591120.

The previous prime is 14386681. The next prime is 14386699. The reversal of 14386689 is 98668341.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 2772225 = 3408^2 + 1665^2 .

It is not a de Polignac number, because 14386689 - 2³ = 14386681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14386681) 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, 799252 + ... + 799269.

Almost surely, 2^14386689 is an apocalyptic number.

It is an amenable number.

14386689 is a deficient number, since it is larger than the sum of its proper divisors (6394097).

14386689 is a wasteful number, since it uses less digits than its factorization.

14386689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598527 (or 1598524 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 14386689 is about 3792.9789084570. The cubic root of 14386689 is about 243.2130935735.

The spelling of 14386689 in words is "fourteen million, three hundred eighty-six thousand, six hundred eighty-nine".