14889893 has 4 divisors (see below), whose sum is σ = 14932428. Its totient is φ = 14847360.

The previous prime is 14889877. The next prime is 14889913. The reversal of 14889893 is 39898841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39898841 = 19 ⋅2099939.

It can be written as a sum of positive squares in 2 ways, for example, as 2765569 + 12124324 = 1663^2 + 3482^2 .

It is a cyclic number.

It is not a de Polignac number, because 14889893 - 2⁴ = 14889877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14889803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20738 + ... + 21443.

It is an arithmetic number, because the mean of its divisors is an integer number (3733107).

Almost surely, 2^14889893 is an apocalyptic number.

It is an amenable number.

14889893 is a deficient number, since it is larger than the sum of its proper divisors (42535).

14889893 is an equidigital number, since it uses as much as digits as its factorization.

14889893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42534.

The product of its digits is 497664, while the sum is 50.

The square root of 14889893 is about 3858.7424117191. The cubic root of 14889893 is about 246.0162866252.

The spelling of 14889893 in words is "fourteen million, eight hundred eighty-nine thousand, eight hundred ninety-three".