14266989 has 32 divisors (see below), whose sum is σ = 23306880. Its totient is φ = 8624880.

The previous prime is 14266981. The next prime is 14266999. The reversal of 14266989 is 98966241.

It is a happy number.

It is not a de Polignac number, because 14266989 - 2³ = 14266981 is a prime.

It is a super-2 number, since 2×14266989² = 407093950252242, which contains 22 as substring.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14266981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35739 + ... + 36135.

It is an arithmetic number, because the mean of its divisors is an integer number (728340).

Almost surely, 2^14266989 is an apocalyptic number.

It is an amenable number.

14266989 is a deficient number, since it is larger than the sum of its proper divisors (9039891).

14266989 is an equidigital number, since it uses as much as digits as its factorization.

14266989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 411 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 14266989 is about 3777.1667953640. The cubic root of 14266989 is about 242.5366876862.

The spelling of 14266989 in words is "fourteen million, two hundred sixty-six thousand, nine hundred eighty-nine".