14289381 has 6 divisors (see below), whose sum is σ = 20640230. Its totient is φ = 9526248.

The previous prime is 14289377. The next prime is 14289397. The reversal of 14289381 is 18398241.

14289381 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 only one way, i.e., 8208225 + 6081156 = 2865^2 + 2466^2 .

It is not a de Polignac number, because 14289381 - 2² = 14289377 is a prime.

It is a super-2 number, since 2×14289381² = 408372818726322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14289181) 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, 793846 + ... + 793863.

Almost surely, 2^14289381 is an apocalyptic number.

It is an amenable number.

14289381 is a deficient number, since it is larger than the sum of its proper divisors (6350849).

14289381 is a wasteful number, since it uses less digits than its factorization.

14289381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587715 (or 1587712 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 14289381 is about 3780.1297596776. The cubic root of 14289381 is about 242.6635082493.

The spelling of 14289381 in words is "fourteen million, two hundred eighty-nine thousand, three hundred eighty-one".