14386989 has 4 divisors (see below), whose sum is σ = 19182656. Its totient is φ = 9591324.

The previous prime is 14386979. The next prime is 14386991. The reversal of 14386989 is 98968341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98968341 = 3 ⋅32989447.

It is not a de Polignac number, because 14386989 - 2⁸ = 14386733 is a prime.

It is a super-2 number, since 2×14386989² = 413970904972242, 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 (14386909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2397829 + ... + 2397834.

It is an arithmetic number, because the mean of its divisors is an integer number (4795664).

Almost surely, 2^14386989 is an apocalyptic number.

It is an amenable number.

14386989 is a deficient number, since it is larger than the sum of its proper divisors (4795667).

14386989 is an equidigital number, since it uses as much as digits as its factorization.

14386989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795666.

The product of its digits is 373248, while the sum is 48.

The square root of 14386989 is about 3793.0184550039. The cubic root of 14386989 is about 243.2147841042.

The spelling of 14386989 in words is "fourteen million, three hundred eighty-six thousand, nine hundred eighty-nine".