14523989 has 4 divisors (see below), whose sum is σ = 14570124. Its totient is φ = 14477856.

The previous prime is 14523979. The next prime is 14523991. The reversal of 14523989 is 98932541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98932541 = 1039 ⋅95219.

It can be written as a sum of positive squares in 2 ways, for example, as 6543364 + 7980625 = 2558^2 + 2825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14523989 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 (14523959) 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, 22592 + ... + 23225.

It is an arithmetic number, because the mean of its divisors is an integer number (3642531).

Almost surely, 2^14523989 is an apocalyptic number.

It is an amenable number.

14523989 is a deficient number, since it is larger than the sum of its proper divisors (46135).

14523989 is an equidigital number, since it uses as much as digits as its factorization.

14523989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46134.

The product of its digits is 77760, while the sum is 41.

The square root of 14523989 is about 3811.0351612128. The cubic root of 14523989 is about 243.9843502011.

The spelling of 14523989 in words is "fourteen million, five hundred twenty-three thousand, nine hundred eighty-nine".